Home / 10,145,428.56-15,223,123.80-4,079,915.28

Finding the Fourth Proportional to 10,145,428.56, 15,223,123.80 and 4,079,915.28

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Solution

The fourth proportional to 10,145,428.56, 15,223,123.80 and 4,079,915.28 is: 6,121,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,428.56 : 15,223,123.80 = 4,079,915.28 : x
  2. Step 2: Convert to fraction form
    10,145,428.56/15,223,123.80 = 4,079,915.28/x
  3. Step 3: Cross multiply
    10,145,428.56x = 15,223,123.80 × 4,079,915.28
  4. Step 4: Simplify right side
    10,145,428.56x = 62,109,055,400,951.66
  5. Step 5: Solve for x
    x = 62,109,055,400,951.66/10,145,428.56
  6. Step 6: Final answer
    x = 6,121,875.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.