Home / 8,687,511.30-13,035,932.55-3,639,332.10

Finding the Fourth Proportional to 8,687,511.30, 13,035,932.55 and 3,639,332.10

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Solution

The fourth proportional to 8,687,511.30, 13,035,932.55 and 3,639,332.10 is: 5,460,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,511.30 : 13,035,932.55 = 3,639,332.10 : x
  2. Step 2: Convert to fraction form
    8,687,511.30/13,035,932.55 = 3,639,332.10/x
  3. Step 3: Cross multiply
    8,687,511.30x = 13,035,932.55 × 3,639,332.10
  4. Step 4: Simplify right side
    8,687,511.30x = 47,442,087,782,649.86
  5. Step 5: Solve for x
    x = 47,442,087,782,649.86/8,687,511.30
  6. Step 6: Final answer
    x = 5,460,952.64

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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.