Home / 13,013,437.18-17,958,545.01-7,212,593.42

Finding the Fourth Proportional to 13,013,437.18, 17,958,545.01 and 7,212,593.42

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Solution

The fourth proportional to 13,013,437.18, 17,958,545.01 and 7,212,593.42 is: 9,953,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,437.18 : 17,958,545.01 = 7,212,593.42 : x
  2. Step 2: Convert to fraction form
    13,013,437.18/17,958,545.01 = 7,212,593.42/x
  3. Step 3: Cross multiply
    13,013,437.18x = 17,958,545.01 × 7,212,593.42
  4. Step 4: Simplify right side
    13,013,437.18x = 129,527,683,571,899.84
  5. Step 5: Solve for x
    x = 129,527,683,571,899.84/13,013,437.18
  6. Step 6: Final answer
    x = 9,953,379.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.