Home / 13,726,943.19-18,944,861.56-7,925,715.20

Finding the Fourth Proportional to 13,726,943.19, 18,944,861.56 and 7,925,715.20

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Solution

The fourth proportional to 13,726,943.19, 18,944,861.56 and 7,925,715.20 is: 10,938,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,943.19 : 18,944,861.56 = 7,925,715.20 : x
  2. Step 2: Convert to fraction form
    13,726,943.19/18,944,861.56 = 7,925,715.20/x
  3. Step 3: Cross multiply
    13,726,943.19x = 18,944,861.56 × 7,925,715.20
  4. Step 4: Simplify right side
    13,726,943.19x = 150,151,577,255,535.59
  5. Step 5: Solve for x
    x = 150,151,577,255,535.59/13,726,943.19
  6. Step 6: Final answer
    x = 10,938,456.96

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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.