Home / 15,566,742.45-21,482,146.26-8,691,470.55

Finding the Fourth Proportional to 15,566,742.45, 21,482,146.26 and 8,691,470.55

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Solution

The fourth proportional to 15,566,742.45, 21,482,146.26 and 8,691,470.55 is: 11,994,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566,742.45 : 21,482,146.26 = 8,691,470.55 : x
  2. Step 2: Convert to fraction form
    15,566,742.45/21,482,146.26 = 8,691,470.55/x
  3. Step 3: Cross multiply
    15,566,742.45x = 21,482,146.26 × 8,691,470.55
  4. Step 4: Simplify right side
    15,566,742.45x = 186,711,441,569,582.69
  5. Step 5: Solve for x
    x = 186,711,441,569,582.69/15,566,742.45
  6. Step 6: Final answer
    x = 11,994,252.63

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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.