Home / 14,785,931.70-22,145,719.95-12,131,723.70

Finding the Fourth Proportional to 14,785,931.70, 22,145,719.95 and 12,131,723.70

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Solution

The fourth proportional to 14,785,931.70, 22,145,719.95 and 12,131,723.70 is: 18,170,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785,931.70 : 22,145,719.95 = 12,131,723.70 : x
  2. Step 2: Convert to fraction form
    14,785,931.70/22,145,719.95 = 12,131,723.70/x
  3. Step 3: Cross multiply
    14,785,931.70x = 22,145,719.95 × 12,131,723.70
  4. Step 4: Simplify right side
    14,785,931.70x = 268,665,755,570,977.78
  5. Step 5: Solve for x
    x = 268,665,755,570,977.78/14,785,931.70
  6. Step 6: Final answer
    x = 18,170,363.63

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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.