Home / 40,107,861.04-55,349,520.60-21,773,146

Finding the Fourth Proportional to 40,107,861.04, 55,349,520.60 and 21,773,146

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Solution

The fourth proportional to 40,107,861.04, 55,349,520.60 and 21,773,146 is: 30,047,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107,861.04 : 55,349,520.60 = 21,773,146 : x
  2. Step 2: Convert to fraction form
    40,107,861.04/55,349,520.60 = 21,773,146/x
  3. Step 3: Cross multiply
    40,107,861.04x = 55,349,520.60 × 21,773,146
  4. Step 4: Simplify right side
    40,107,861.04x = 1,205,133,193,053,807.75
  5. Step 5: Solve for x
    x = 1,205,133,193,053,807.75/40,107,861.04
  6. Step 6: Final answer
    x = 30,047,306.48

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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.