Home / 10,927,942.20-16,391,913.30-7,736,671.80

Finding the Fourth Proportional to 10,927,942.20, 16,391,913.30 and 7,736,671.80

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Solution

The fourth proportional to 10,927,942.20, 16,391,913.30 and 7,736,671.80 is: 11,605,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927,942.20 : 16,391,913.30 = 7,736,671.80 : x
  2. Step 2: Convert to fraction form
    10,927,942.20/16,391,913.30 = 7,736,671.80/x
  3. Step 3: Cross multiply
    10,927,942.20x = 16,391,913.30 × 7,736,671.80
  4. Step 4: Simplify right side
    10,927,942.20x = 126,818,853,376,154.94
  5. Step 5: Solve for x
    x = 126,818,853,376,154.94/10,927,942.20
  6. Step 6: Final answer
    x = 11,605,007.70

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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.