Home / 8,281,231.40-12,421,847.10-5,730,314.60

Finding the Fourth Proportional to 8,281,231.40, 12,421,847.10 and 5,730,314.60

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Solution

The fourth proportional to 8,281,231.40, 12,421,847.10 and 5,730,314.60 is: 8,595,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,231.40 : 12,421,847.10 = 5,730,314.60 : x
  2. Step 2: Convert to fraction form
    8,281,231.40/12,421,847.10 = 5,730,314.60/x
  3. Step 3: Cross multiply
    8,281,231.40x = 12,421,847.10 × 5,730,314.60
  4. Step 4: Simplify right side
    8,281,231.40x = 71,181,091,796,097.66
  5. Step 5: Solve for x
    x = 71,181,091,796,097.66/8,281,231.40
  6. Step 6: Final answer
    x = 8,595,471.90

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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.