Home / 15,566,743.45-21,482,147.64-8,691,471.55

Finding the Fourth Proportional to 15,566,743.45, 21,482,147.64 and 8,691,471.55

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Solution

The fourth proportional to 15,566,743.45, 21,482,147.64 and 8,691,471.55 is: 11,994,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566,743.45 : 21,482,147.64 = 8,691,471.55 : x
  2. Step 2: Convert to fraction form
    15,566,743.45/21,482,147.64 = 8,691,471.55/x
  3. Step 3: Cross multiply
    15,566,743.45x = 21,482,147.64 × 8,691,471.55
  4. Step 4: Simplify right side
    15,566,743.45x = 186,711,475,045,959.66
  5. Step 5: Solve for x
    x = 186,711,475,045,959.66/15,566,743.45
  6. Step 6: Final answer
    x = 11,994,254.01

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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.