Home / 37,520,450.68-51,777,713.86-21,000,570.29

Finding the Fourth Proportional to 37,520,450.68, 51,777,713.86 and 21,000,570.29

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Solution

The fourth proportional to 37,520,450.68, 51,777,713.86 and 21,000,570.29 is: 28,980,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520,450.68 : 51,777,713.86 = 21,000,570.29 : x
  2. Step 2: Convert to fraction form
    37,520,450.68/51,777,713.86 = 21,000,570.29/x
  3. Step 3: Cross multiply
    37,520,450.68x = 51,777,713.86 × 21,000,570.29
  4. Step 4: Simplify right side
    37,520,450.68x = 1,087,361,519,139,799.38
  5. Step 5: Solve for x
    x = 1,087,361,519,139,799.38/37,520,450.68
  6. Step 6: Final answer
    x = 28,980,502.62

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Double scale
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1.5x scale

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.