Home / 10,357,542.80-15,536,314.20-5,318,694.80

Finding the Fourth Proportional to 10,357,542.80, 15,536,314.20 and 5,318,694.80

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Solution

The fourth proportional to 10,357,542.80, 15,536,314.20 and 5,318,694.80 is: 7,978,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357,542.80 : 15,536,314.20 = 5,318,694.80 : x
  2. Step 2: Convert to fraction form
    10,357,542.80/15,536,314.20 = 5,318,694.80/x
  3. Step 3: Cross multiply
    10,357,542.80x = 15,536,314.20 × 5,318,694.80
  4. Step 4: Simplify right side
    10,357,542.80x = 82,632,913,546,706.16
  5. Step 5: Solve for x
    x = 82,632,913,546,706.16/10,357,542.80
  6. Step 6: Final answer
    x = 7,978,042.20

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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.