Home / 12,097,806.10-18,146,709.15-10,455,514.90

Finding the Fourth Proportional to 12,097,806.10, 18,146,709.15 and 10,455,514.90

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Solution

The fourth proportional to 12,097,806.10, 18,146,709.15 and 10,455,514.90 is: 15,683,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,806.10 : 18,146,709.15 = 10,455,514.90 : x
  2. Step 2: Convert to fraction form
    12,097,806.10/18,146,709.15 = 10,455,514.90/x
  3. Step 3: Cross multiply
    12,097,806.10x = 18,146,709.15 × 10,455,514.90
  4. Step 4: Simplify right side
    12,097,806.10x = 189,733,187,903,791.31
  5. Step 5: Solve for x
    x = 189,733,187,903,791.31/12,097,806.10
  6. Step 6: Final answer
    x = 15,683,272.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.