Home / 27,779,108.68-38,337,524.10-15,393,087.32

Finding the Fourth Proportional to 27,779,108.68, 38,337,524.10 and 15,393,087.32

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Solution

The fourth proportional to 27,779,108.68, 38,337,524.10 and 15,393,087.32 is: 21,243,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779,108.68 : 38,337,524.10 = 15,393,087.32 : x
  2. Step 2: Convert to fraction form
    27,779,108.68/38,337,524.10 = 15,393,087.32/x
  3. Step 3: Cross multiply
    27,779,108.68x = 38,337,524.10 × 15,393,087.32
  4. Step 4: Simplify right side
    27,779,108.68x = 590,132,855,835,251.38
  5. Step 5: Solve for x
    x = 590,132,855,835,251.38/27,779,108.68
  6. Step 6: Final answer
    x = 21,243,764.97

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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.