Home / 38,655,307.34-57,856,790.55-28,417,454.90

Finding the Fourth Proportional to 38,655,307.34, 57,856,790.55 and 28,417,454.90

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Solution

The fourth proportional to 38,655,307.34, 57,856,790.55 and 28,417,454.90 is: 42,533,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655,307.34 : 57,856,790.55 = 28,417,454.90 : x
  2. Step 2: Convert to fraction form
    38,655,307.34/57,856,790.55 = 28,417,454.90/x
  3. Step 3: Cross multiply
    38,655,307.34x = 57,856,790.55 × 28,417,454.90
  4. Step 4: Simplify right side
    38,655,307.34x = 1,644,142,736,258,013
  5. Step 5: Solve for x
    x = 1,644,142,736,258,013/38,655,307.34
  6. Step 6: Final answer
    x = 42,533,428.12

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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.