Home / 13,475,510.70-20,213,266.05-7,407,897.90

Finding the Fourth Proportional to 13,475,510.70, 20,213,266.05 and 7,407,897.90

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Solution

The fourth proportional to 13,475,510.70, 20,213,266.05 and 7,407,897.90 is: 11,111,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,510.70 : 20,213,266.05 = 7,407,897.90 : x
  2. Step 2: Convert to fraction form
    13,475,510.70/20,213,266.05 = 7,407,897.90/x
  3. Step 3: Cross multiply
    13,475,510.70x = 20,213,266.05 × 7,407,897.90
  4. Step 4: Simplify right side
    13,475,510.70x = 149,737,811,123,936.31
  5. Step 5: Solve for x
    x = 149,737,811,123,936.31/13,475,510.70
  6. Step 6: Final answer
    x = 11,111,846.85

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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.