Home / 10,355,079.76-15,534,861.78-3,965,332.39

Finding the Fourth Proportional to 10,355,079.76, 15,534,861.78 and 3,965,332.39

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Solution

The fourth proportional to 10,355,079.76, 15,534,861.78 and 3,965,332.39 is: 5,948,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,079.76 : 15,534,861.78 = 3,965,332.39 : x
  2. Step 2: Convert to fraction form
    10,355,079.76/15,534,861.78 = 3,965,332.39/x
  3. Step 3: Cross multiply
    10,355,079.76x = 15,534,861.78 × 3,965,332.39
  4. Step 4: Simplify right side
    10,355,079.76x = 61,600,890,590,407.05
  5. Step 5: Solve for x
    x = 61,600,890,590,407.05/10,355,079.76
  6. Step 6: Final answer
    x = 5,948,857.18

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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.