Home / 8,670,721.92-11,963,153.08-4,999,349.92

Finding the Fourth Proportional to 8,670,721.92, 11,963,153.08 and 4,999,349.92

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Solution

The fourth proportional to 8,670,721.92, 11,963,153.08 and 4,999,349.92 is: 6,897,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,721.92 : 11,963,153.08 = 4,999,349.92 : x
  2. Step 2: Convert to fraction form
    8,670,721.92/11,963,153.08 = 4,999,349.92/x
  3. Step 3: Cross multiply
    8,670,721.92x = 11,963,153.08 × 4,999,349.92
  4. Step 4: Simplify right side
    8,670,721.92x = 59,807,988,393,445.75
  5. Step 5: Solve for x
    x = 59,807,988,393,445.75/8,670,721.92
  6. Step 6: Final answer
    x = 6,897,694.21

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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.