Home / 47,902,971.60-71,853,419.93-13,358,451.65

Finding the Fourth Proportional to 47,902,971.60, 71,853,419.93 and 13,358,451.65

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Solution

The fourth proportional to 47,902,971.60, 71,853,419.93 and 13,358,451.65 is: 20,037,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902,971.60 : 71,853,419.93 = 13,358,451.65 : x
  2. Step 2: Convert to fraction form
    47,902,971.60/71,853,419.93 = 13,358,451.65/x
  3. Step 3: Cross multiply
    47,902,971.60x = 71,853,419.93 × 13,358,451.65
  4. Step 4: Simplify right side
    47,902,971.60x = 959,850,435,595,992
  5. Step 5: Solve for x
    x = 959,850,435,595,992/47,902,971.60
  6. Step 6: Final answer
    x = 20,037,388.15

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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.