Home / 19,011,246.30-28,516,869.45-15,861,966.30

Finding the Fourth Proportional to 19,011,246.30, 28,516,869.45 and 15,861,966.30

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Solution

The fourth proportional to 19,011,246.30, 28,516,869.45 and 15,861,966.30 is: 23,792,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,246.30 : 28,516,869.45 = 15,861,966.30 : x
  2. Step 2: Convert to fraction form
    19,011,246.30/28,516,869.45 = 15,861,966.30/x
  3. Step 3: Cross multiply
    19,011,246.30x = 28,516,869.45 × 15,861,966.30
  4. Step 4: Simplify right side
    19,011,246.30x = 452,333,622,197,399.56
  5. Step 5: Solve for x
    x = 452,333,622,197,399.56/19,011,246.30
  6. Step 6: Final answer
    x = 23,792,949.45

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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.