Home / 15,889,915.52-21,935,515.20-10,170,097.28

Finding the Fourth Proportional to 15,889,915.52, 21,935,515.20 and 10,170,097.28

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Solution

The fourth proportional to 15,889,915.52, 21,935,515.20 and 10,170,097.28 is: 14,039,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889,915.52 : 21,935,515.20 = 10,170,097.28 : x
  2. Step 2: Convert to fraction form
    15,889,915.52/21,935,515.20 = 10,170,097.28/x
  3. Step 3: Cross multiply
    15,889,915.52x = 21,935,515.20 × 10,170,097.28
  4. Step 4: Simplify right side
    15,889,915.52x = 223,086,323,470,918.62
  5. Step 5: Solve for x
    x = 223,086,323,470,918.62/15,889,915.52
  6. Step 6: Final answer
    x = 14,039,490.85

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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.