Home / 14,785,929.70-22,145,716.95-12,131,721.70

Finding the Fourth Proportional to 14,785,929.70, 22,145,716.95 and 12,131,721.70

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Solution

The fourth proportional to 14,785,929.70, 22,145,716.95 and 12,131,721.70 is: 18,170,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785,929.70 : 22,145,716.95 = 12,131,721.70 : x
  2. Step 2: Convert to fraction form
    14,785,929.70/22,145,716.95 = 12,131,721.70/x
  3. Step 3: Cross multiply
    14,785,929.70x = 22,145,716.95 × 12,131,721.70
  4. Step 4: Simplify right side
    14,785,929.70x = 268,665,674,884,372.78
  5. Step 5: Solve for x
    x = 268,665,674,884,372.78/14,785,929.70
  6. Step 6: Final answer
    x = 18,170,360.63

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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.