Home / 8,670,748.91-11,938,334.24-7,361,411.18

Finding the Fourth Proportional to 8,670,748.91, 11,938,334.24 and 7,361,411.18

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Solution

The fourth proportional to 8,670,748.91, 11,938,334.24 and 7,361,411.18 is: 10,135,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,748.91 : 11,938,334.24 = 7,361,411.18 : x
  2. Step 2: Convert to fraction form
    8,670,748.91/11,938,334.24 = 7,361,411.18/x
  3. Step 3: Cross multiply
    8,670,748.91x = 11,938,334.24 × 7,361,411.18
  4. Step 4: Simplify right side
    8,670,748.91x = 87,882,987,103,624.66
  5. Step 5: Solve for x
    x = 87,882,987,103,624.66/8,670,748.91
  6. Step 6: Final answer
    x = 10,135,570.53

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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.