Home / 10,357,539.80-15,536,309.70-5,318,691.80

Finding the Fourth Proportional to 10,357,539.80, 15,536,309.70 and 5,318,691.80

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Solution

The fourth proportional to 10,357,539.80, 15,536,309.70 and 5,318,691.80 is: 7,978,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357,539.80 : 15,536,309.70 = 5,318,691.80 : x
  2. Step 2: Convert to fraction form
    10,357,539.80/15,536,309.70 = 5,318,691.80/x
  3. Step 3: Cross multiply
    10,357,539.80x = 15,536,309.70 × 5,318,691.80
  4. Step 4: Simplify right side
    10,357,539.80x = 82,632,843,003,650.45
  5. Step 5: Solve for x
    x = 82,632,843,003,650.45/10,357,539.80
  6. Step 6: Final answer
    x = 7,978,037.70

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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.