Home / 15,000,591.07-20,700,816.38-8,125,073.13

Finding the Fourth Proportional to 15,000,591.07, 20,700,816.38 and 8,125,073.13

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Solution

The fourth proportional to 15,000,591.07, 20,700,816.38 and 8,125,073.13 is: 11,212,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,591.07 : 20,700,816.38 = 8,125,073.13 : x
  2. Step 2: Convert to fraction form
    15,000,591.07/20,700,816.38 = 8,125,073.13/x
  3. Step 3: Cross multiply
    15,000,591.07x = 20,700,816.38 × 8,125,073.13
  4. Step 4: Simplify right side
    15,000,591.07x = 168,195,646,938,201.84
  5. Step 5: Solve for x
    x = 168,195,646,938,201.84/15,000,591.07
  6. Step 6: Final answer
    x = 11,212,601.30

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1.5x scale

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.