Home / 36,948,818.42-50,991,146.61-20,428,637.30

Finding the Fourth Proportional to 36,948,818.42, 50,991,146.61 and 20,428,637.30

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Solution

The fourth proportional to 36,948,818.42, 50,991,146.61 and 20,428,637.30 is: 28,192,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948,818.42 : 50,991,146.61 = 20,428,637.30 : x
  2. Step 2: Convert to fraction form
    36,948,818.42/50,991,146.61 = 20,428,637.30/x
  3. Step 3: Cross multiply
    36,948,818.42x = 50,991,146.61 × 20,428,637.30
  4. Step 4: Simplify right side
    36,948,818.42x = 1,041,679,639,606,814.62
  5. Step 5: Solve for x
    x = 1,041,679,639,606,814.62/36,948,818.42
  6. Step 6: Final answer
    x = 28,192,502.07

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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.