Home / 36,948,818.05-50,991,146.09-20,428,636.93

Finding the Fourth Proportional to 36,948,818.05, 50,991,146.09 and 20,428,636.93

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Solution

The fourth proportional to 36,948,818.05, 50,991,146.09 and 20,428,636.93 is: 28,192,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948,818.05 : 50,991,146.09 = 20,428,636.93 : x
  2. Step 2: Convert to fraction form
    36,948,818.05/50,991,146.09 = 20,428,636.93/x
  3. Step 3: Cross multiply
    36,948,818.05x = 50,991,146.09 × 20,428,636.93
  4. Step 4: Simplify right side
    36,948,818.05x = 1,041,679,609,913,315
  5. Step 5: Solve for x
    x = 1,041,679,609,913,315/36,948,818.05
  6. Step 6: Final answer
    x = 28,192,501.55

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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.