Home / 30,532,591.40-45,819,882.30-12,581,695.40

Finding the Fourth Proportional to 30,532,591.40, 45,819,882.30 and 12,581,695.40

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Solution

The fourth proportional to 30,532,591.40, 45,819,882.30 and 12,581,695.40 is: 18,881,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,591.40 : 45,819,882.30 = 12,581,695.40 : x
  2. Step 2: Convert to fraction form
    30,532,591.40/45,819,882.30 = 12,581,695.40/x
  3. Step 3: Cross multiply
    30,532,591.40x = 45,819,882.30 × 12,581,695.40
  4. Step 4: Simplify right side
    30,532,591.40x = 576,491,802,362,451.38
  5. Step 5: Solve for x
    x = 576,491,802,362,451.38/30,532,591.40
  6. Step 6: Final answer
    x = 18,881,194.68

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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.