Home / 28,687,964.32-39,588,377.83-15,634,964.17

Finding the Fourth Proportional to 28,687,964.32, 39,588,377.83 and 15,634,964.17

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Solution

The fourth proportional to 28,687,964.32, 39,588,377.83 and 15,634,964.17 is: 21,575,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687,964.32 : 39,588,377.83 = 15,634,964.17 : x
  2. Step 2: Convert to fraction form
    28,687,964.32/39,588,377.83 = 15,634,964.17/x
  3. Step 3: Cross multiply
    28,687,964.32x = 39,588,377.83 × 15,634,964.17
  4. Step 4: Simplify right side
    28,687,964.32x = 618,962,868,920,472.38
  5. Step 5: Solve for x
    x = 618,962,868,920,472.38/28,687,964.32
  6. Step 6: Final answer
    x = 21,575,698.51

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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.