Home / 37,064,121.10-51,148,398.56-20,318,830.72

Finding the Fourth Proportional to 37,064,121.10, 51,148,398.56 and 20,318,830.72

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Solution

The fourth proportional to 37,064,121.10, 51,148,398.56 and 20,318,830.72 is: 28,039,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,064,121.10 : 51,148,398.56 = 20,318,830.72 : x
  2. Step 2: Convert to fraction form
    37,064,121.10/51,148,398.56 = 20,318,830.72/x
  3. Step 3: Cross multiply
    37,064,121.10x = 51,148,398.56 × 20,318,830.72
  4. Step 4: Simplify right side
    37,064,121.10x = 1,039,275,651,939,731.75
  5. Step 5: Solve for x
    x = 1,039,275,651,939,731.75/37,064,121.10
  6. Step 6: Final answer
    x = 28,039,937.85

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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.