Home / 30,532,470.90-45,819,701.55-12,581,574.90

Finding the Fourth Proportional to 30,532,470.90, 45,819,701.55 and 12,581,574.90

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Solution

The fourth proportional to 30,532,470.90, 45,819,701.55 and 12,581,574.90 is: 18,881,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,470.90 : 45,819,701.55 = 12,581,574.90 : x
  2. Step 2: Convert to fraction form
    30,532,470.90/45,819,701.55 = 12,581,574.90/x
  3. Step 3: Cross multiply
    30,532,470.90x = 45,819,701.55 × 12,581,574.90
  4. Step 4: Simplify right side
    30,532,470.90x = 576,484,006,946,971.12
  5. Step 5: Solve for x
    x = 576,484,006,946,971.12/30,532,470.90
  6. Step 6: Final answer
    x = 18,881,013.88

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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.