Home / 28,442,518.92-39,255,785.46-16,056,387.72

Finding the Fourth Proportional to 28,442,518.92, 39,255,785.46 and 16,056,387.72

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Solution

The fourth proportional to 28,442,518.92, 39,255,785.46 and 16,056,387.72 is: 22,160,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442,518.92 : 39,255,785.46 = 16,056,387.72 : x
  2. Step 2: Convert to fraction form
    28,442,518.92/39,255,785.46 = 16,056,387.72/x
  3. Step 3: Cross multiply
    28,442,518.92x = 39,255,785.46 × 16,056,387.72
  4. Step 4: Simplify right side
    28,442,518.92x = 630,306,111,598,898.62
  5. Step 5: Solve for x
    x = 630,306,111,598,898.62/28,442,518.92
  6. Step 6: Final answer
    x = 22,160,699.39

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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.