Home / 45,215,598.65-67,832,359.20-12,868,775.15

Finding the Fourth Proportional to 45,215,598.65, 67,832,359.20 and 12,868,775.15

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Solution

The fourth proportional to 45,215,598.65, 67,832,359.20 and 12,868,775.15 is: 19,305,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,215,598.65 : 67,832,359.20 = 12,868,775.15 : x
  2. Step 2: Convert to fraction form
    45,215,598.65/67,832,359.20 = 12,868,775.15/x
  3. Step 3: Cross multiply
    45,215,598.65x = 67,832,359.20 × 12,868,775.15
  4. Step 4: Simplify right side
    45,215,598.65x = 872,919,378,099,672.12
  5. Step 5: Solve for x
    x = 872,919,378,099,672.12/45,215,598.65
  6. Step 6: Final answer
    x = 19,305,713.17

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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.