Home / 22,152,289.92-30,572,944.32-12,857,861.76

Finding the Fourth Proportional to 22,152,289.92, 30,572,944.32 and 12,857,861.76

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Solution

The fourth proportional to 22,152,289.92, 30,572,944.32 and 12,857,861.76 is: 17,745,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152,289.92 : 30,572,944.32 = 12,857,861.76 : x
  2. Step 2: Convert to fraction form
    22,152,289.92/30,572,944.32 = 12,857,861.76/x
  3. Step 3: Cross multiply
    22,152,289.92x = 30,572,944.32 × 12,857,861.76
  4. Step 4: Simplify right side
    22,152,289.92x = 393,102,691,662,737.19
  5. Step 5: Solve for x
    x = 393,102,691,662,737.19/22,152,289.92
  6. Step 6: Final answer
    x = 17,745,465.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.