Home / 12,298,364.10-18,455,419.35-7,180,784.10

Finding the Fourth Proportional to 12,298,364.10, 18,455,419.35 and 7,180,784.10

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Solution

The fourth proportional to 12,298,364.10, 18,455,419.35 and 7,180,784.10 is: 10,775,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,364.10 : 18,455,419.35 = 7,180,784.10 : x
  2. Step 2: Convert to fraction form
    12,298,364.10/18,455,419.35 = 7,180,784.10/x
  3. Step 3: Cross multiply
    12,298,364.10x = 18,455,419.35 × 7,180,784.10
  4. Step 4: Simplify right side
    12,298,364.10x = 132,524,381,827,312.34
  5. Step 5: Solve for x
    x = 132,524,381,827,312.34/12,298,364.10
  6. Step 6: Final answer
    x = 10,775,773.16

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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.