Home / 15,189,485.42-20,961,686.76-8,313,819.86

Finding the Fourth Proportional to 15,189,485.42, 20,961,686.76 and 8,313,819.86

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Solution

The fourth proportional to 15,189,485.42, 20,961,686.76 and 8,313,819.86 is: 11,473,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,485.42 : 20,961,686.76 = 8,313,819.86 : x
  2. Step 2: Convert to fraction form
    15,189,485.42/20,961,686.76 = 8,313,819.86/x
  3. Step 3: Cross multiply
    15,189,485.42x = 20,961,686.76 × 8,313,819.86
  4. Step 4: Simplify right side
    15,189,485.42x = 174,271,687,684,387.06
  5. Step 5: Solve for x
    x = 174,271,687,684,387.06/15,189,485.42
  6. Step 6: Final answer
    x = 11,473,179.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.