Home / 10,270,178.40-15,416,326.80-5,791,202.40

Finding the Fourth Proportional to 10,270,178.40, 15,416,326.80 and 5,791,202.40

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Solution

The fourth proportional to 10,270,178.40, 15,416,326.80 and 5,791,202.40 is: 8,693,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270,178.40 : 15,416,326.80 = 5,791,202.40 : x
  2. Step 2: Convert to fraction form
    10,270,178.40/15,416,326.80 = 5,791,202.40/x
  3. Step 3: Cross multiply
    10,270,178.40x = 15,416,326.80 × 5,791,202.40
  4. Step 4: Simplify right side
    10,270,178.40x = 89,279,068,763,344.33
  5. Step 5: Solve for x
    x = 89,279,068,763,344.33/10,270,178.40
  6. Step 6: Final answer
    x = 8,693,039.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.