Home / 47,691,612.40-71,542,667.40-15,338,009.20

Finding the Fourth Proportional to 47,691,612.40, 71,542,667.40 and 15,338,009.20

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Solution

The fourth proportional to 47,691,612.40, 71,542,667.40 and 15,338,009.20 is: 23,008,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691,612.40 : 71,542,667.40 = 15,338,009.20 : x
  2. Step 2: Convert to fraction form
    47,691,612.40/71,542,667.40 = 15,338,009.20/x
  3. Step 3: Cross multiply
    47,691,612.40x = 71,542,667.40 × 15,338,009.20
  4. Step 4: Simplify right side
    47,691,612.40x = 1,097,322,090,773,740.12
  5. Step 5: Solve for x
    x = 1,097,322,090,773,740.12/47,691,612.40
  6. Step 6: Final answer
    x = 23,008,701.86

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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.