Home / 36,699,125.70-55,046,938.95-12,435,672.90

Finding the Fourth Proportional to 36,699,125.70, 55,046,938.95 and 12,435,672.90

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Solution

The fourth proportional to 36,699,125.70, 55,046,938.95 and 12,435,672.90 is: 18,652,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,125.70 : 55,046,938.95 = 12,435,672.90 : x
  2. Step 2: Convert to fraction form
    36,699,125.70/55,046,938.95 = 12,435,672.90/x
  3. Step 3: Cross multiply
    36,699,125.70x = 55,046,938.95 × 12,435,672.90
  4. Step 4: Simplify right side
    36,699,125.70x = 684,545,726,928,469.50
  5. Step 5: Solve for x
    x = 684,545,726,928,469.50/36,699,125.70
  6. Step 6: Final answer
    x = 18,652,916.49

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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.