Home / 14,569,490.13-20,105,926.16-8,043,128.57

Finding the Fourth Proportional to 14,569,490.13, 20,105,926.16 and 8,043,128.57

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Solution

The fourth proportional to 14,569,490.13, 20,105,926.16 and 8,043,128.57 is: 11,099,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,490.13 : 20,105,926.16 = 8,043,128.57 : x
  2. Step 2: Convert to fraction form
    14,569,490.13/20,105,926.16 = 8,043,128.57/x
  3. Step 3: Cross multiply
    14,569,490.13x = 20,105,926.16 × 8,043,128.57
  4. Step 4: Simplify right side
    14,569,490.13x = 161,714,549,123,806.41
  5. Step 5: Solve for x
    x = 161,714,549,123,806.41/14,569,490.13
  6. Step 6: Final answer
    x = 11,099,533.87

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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.