Home / 10,911,605.84-16,372,129.12-5,857,015.76

Finding the Fourth Proportional to 10,911,605.84, 16,372,129.12 and 5,857,015.76

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Solution

The fourth proportional to 10,911,605.84, 16,372,129.12 and 5,857,015.76 is: 8,788,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,605.84 : 16,372,129.12 = 5,857,015.76 : x
  2. Step 2: Convert to fraction form
    10,911,605.84/16,372,129.12 = 5,857,015.76/x
  3. Step 3: Cross multiply
    10,911,605.84x = 16,372,129.12 × 5,857,015.76
  4. Step 4: Simplify right side
    10,911,605.84x = 95,891,818,280,594.92
  5. Step 5: Solve for x
    x = 95,891,818,280,594.92/10,911,605.84
  6. Step 6: Final answer
    x = 8,788,057.38

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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.