Home / 10,007,915.34-15,006,477.20-5,399,371.74

Finding the Fourth Proportional to 10,007,915.34, 15,006,477.20 and 5,399,371.74

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Solution

The fourth proportional to 10,007,915.34, 15,006,477.20 and 5,399,371.74 is: 8,096,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007,915.34 : 15,006,477.20 = 5,399,371.74 : x
  2. Step 2: Convert to fraction form
    10,007,915.34/15,006,477.20 = 5,399,371.74/x
  3. Step 3: Cross multiply
    10,007,915.34x = 15,006,477.20 × 5,399,371.74
  4. Step 4: Simplify right side
    10,007,915.34x = 81,025,548,883,637.47
  5. Step 5: Solve for x
    x = 81,025,548,883,637.47/10,007,915.34
  6. Step 6: Final answer
    x = 8,096,146.51

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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.