Home / 8,487,420.80-11,712,950.88-4,619,755.04

Finding the Fourth Proportional to 8,487,420.80, 11,712,950.88 and 4,619,755.04

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Solution

The fourth proportional to 8,487,420.80, 11,712,950.88 and 4,619,755.04 is: 6,375,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,420.80 : 11,712,950.88 = 4,619,755.04 : x
  2. Step 2: Convert to fraction form
    8,487,420.80/11,712,950.88 = 4,619,755.04/x
  3. Step 3: Cross multiply
    8,487,420.80x = 11,712,950.88 × 4,619,755.04
  4. Step 4: Simplify right side
    8,487,420.80x = 54,110,963,861,152.44
  5. Step 5: Solve for x
    x = 54,110,963,861,152.44/8,487,420.80
  6. Step 6: Final answer
    x = 6,375,430.79

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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.