Home / 7,805,807.40-11,708,711.10-5,127,061.80

Finding the Fourth Proportional to 7,805,807.40, 11,708,711.10 and 5,127,061.80

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Solution

The fourth proportional to 7,805,807.40, 11,708,711.10 and 5,127,061.80 is: 7,690,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,807.40 : 11,708,711.10 = 5,127,061.80 : x
  2. Step 2: Convert to fraction form
    7,805,807.40/11,708,711.10 = 5,127,061.80/x
  3. Step 3: Cross multiply
    7,805,807.40x = 11,708,711.10 × 5,127,061.80
  4. Step 4: Simplify right side
    7,805,807.40x = 60,031,285,408,045.98
  5. Step 5: Solve for x
    x = 60,031,285,408,045.98/7,805,807.40
  6. Step 6: Final answer
    x = 7,690,592.70

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Double scale
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Similar ratio
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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.