Home / 39,420,441.72-59,130,807.84-12,126,545.37

Finding the Fourth Proportional to 39,420,441.72, 59,130,807.84 and 12,126,545.37

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Solution

The fourth proportional to 39,420,441.72, 59,130,807.84 and 12,126,545.37 is: 18,189,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,441.72 : 59,130,807.84 = 12,126,545.37 : x
  2. Step 2: Convert to fraction form
    39,420,441.72/59,130,807.84 = 12,126,545.37/x
  3. Step 3: Cross multiply
    39,420,441.72x = 59,130,807.84 × 12,126,545.37
  4. Step 4: Simplify right side
    39,420,441.72x = 717,052,424,036,511.75
  5. Step 5: Solve for x
    x = 717,052,424,036,511.75/39,420,441.72
  6. Step 6: Final answer
    x = 18,189,862.74

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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.