Home / 19,011,030.30-28,516,545.45-15,861,750.30

Finding the Fourth Proportional to 19,011,030.30, 28,516,545.45 and 15,861,750.30

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Solution

The fourth proportional to 19,011,030.30, 28,516,545.45 and 15,861,750.30 is: 23,792,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,030.30 : 28,516,545.45 = 15,861,750.30 : x
  2. Step 2: Convert to fraction form
    19,011,030.30/28,516,545.45 = 15,861,750.30/x
  3. Step 3: Cross multiply
    19,011,030.30x = 28,516,545.45 × 15,861,750.30
  4. Step 4: Simplify right side
    19,011,030.30x = 452,322,323,346,501.12
  5. Step 5: Solve for x
    x = 452,322,323,346,501.12/19,011,030.30
  6. Step 6: Final answer
    x = 23,792,625.45

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Similar ratio
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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.