Home / 20,262,737.48-30,399,788.47-8,140,713.16

Finding the Fourth Proportional to 20,262,737.48, 30,399,788.47 and 8,140,713.16

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Solution

The fourth proportional to 20,262,737.48, 30,399,788.47 and 8,140,713.16 is: 12,213,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,737.48 : 30,399,788.47 = 8,140,713.16 : x
  2. Step 2: Convert to fraction form
    20,262,737.48/30,399,788.47 = 8,140,713.16/x
  3. Step 3: Cross multiply
    20,262,737.48x = 30,399,788.47 × 8,140,713.16
  4. Step 4: Simplify right side
    20,262,737.48x = 247,475,957,962,594
  5. Step 5: Solve for x
    x = 247,475,957,962,594/20,262,737.48
  6. Step 6: Final answer
    x = 12,213,352.63

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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.