Home / 8,752,869.21-13,129,118.24-2,917,476.85

Finding the Fourth Proportional to 8,752,869.21, 13,129,118.24 and 2,917,476.85

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Solution

The fourth proportional to 8,752,869.21, 13,129,118.24 and 2,917,476.85 is: 4,376,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,869.21 : 13,129,118.24 = 2,917,476.85 : x
  2. Step 2: Convert to fraction form
    8,752,869.21/13,129,118.24 = 2,917,476.85/x
  3. Step 3: Cross multiply
    8,752,869.21x = 13,129,118.24 × 2,917,476.85
  4. Step 4: Simplify right side
    8,752,869.21x = 38,303,898,526,112.74
  5. Step 5: Solve for x
    x = 38,303,898,526,112.74/8,752,869.21
  6. Step 6: Final answer
    x = 4,376,153.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.