Home / 12,097,369.10-18,146,053.65-9,971,605.10

Finding the Fourth Proportional to 12,097,369.10, 18,146,053.65 and 9,971,605.10

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Solution

The fourth proportional to 12,097,369.10, 18,146,053.65 and 9,971,605.10 is: 14,957,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,369.10 : 18,146,053.65 = 9,971,605.10 : x
  2. Step 2: Convert to fraction form
    12,097,369.10/18,146,053.65 = 9,971,605.10/x
  3. Step 3: Cross multiply
    12,097,369.10x = 18,146,053.65 × 9,971,605.10
  4. Step 4: Simplify right side
    12,097,369.10x = 180,945,281,121,213.59
  5. Step 5: Solve for x
    x = 180,945,281,121,213.59/12,097,369.10
  6. Step 6: Final answer
    x = 14,957,407.65

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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.