Home / 8,518,969.20-11,756,653.56-4,651,849.20

Finding the Fourth Proportional to 8,518,969.20, 11,756,653.56 and 4,651,849.20

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Solution

The fourth proportional to 8,518,969.20, 11,756,653.56 and 4,651,849.20 is: 6,419,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,969.20 : 11,756,653.56 = 4,651,849.20 : x
  2. Step 2: Convert to fraction form
    8,518,969.20/11,756,653.56 = 4,651,849.20/x
  3. Step 3: Cross multiply
    8,518,969.20x = 11,756,653.56 × 4,651,849.20
  4. Step 4: Simplify right side
    8,518,969.20x = 54,690,179,457,763.16
  5. Step 5: Solve for x
    x = 54,690,179,457,763.16/8,518,969.20
  6. Step 6: Final answer
    x = 6,419,811.85

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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.