Home / 28,495,016.89-39,323,156.94-15,442,275.74

Finding the Fourth Proportional to 28,495,016.89, 39,323,156.94 and 15,442,275.74

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Solution

The fourth proportional to 28,495,016.89, 39,323,156.94 and 15,442,275.74 is: 21,310,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,016.89 : 39,323,156.94 = 15,442,275.74 : x
  2. Step 2: Convert to fraction form
    28,495,016.89/39,323,156.94 = 15,442,275.74/x
  3. Step 3: Cross multiply
    28,495,016.89x = 39,323,156.94 × 15,442,275.74
  4. Step 4: Simplify right side
    28,495,016.89x = 607,239,032,238,158.75
  5. Step 5: Solve for x
    x = 607,239,032,238,158.75/28,495,016.89
  6. Step 6: Final answer
    x = 21,310,358.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.