Home / 11,487,929.76-15,853,291.08-6,331,280.16

Finding the Fourth Proportional to 11,487,929.76, 15,853,291.08 and 6,331,280.16

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Solution

The fourth proportional to 11,487,929.76, 15,853,291.08 and 6,331,280.16 is: 8,737,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,929.76 : 15,853,291.08 = 6,331,280.16 : x
  2. Step 2: Convert to fraction form
    11,487,929.76/15,853,291.08 = 6,331,280.16/x
  3. Step 3: Cross multiply
    11,487,929.76x = 15,853,291.08 × 6,331,280.16
  4. Step 4: Simplify right side
    11,487,929.76x = 100,371,627,285,508.97
  5. Step 5: Solve for x
    x = 100,371,627,285,508.97/11,487,929.76
  6. Step 6: Final answer
    x = 8,737,137.97

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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.