Home / 10,301,998.20-15,445,998.90-3,911,292.60

Finding the Fourth Proportional to 10,301,998.20, 15,445,998.90 and 3,911,292.60

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Solution

The fourth proportional to 10,301,998.20, 15,445,998.90 and 3,911,292.60 is: 5,864,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301,998.20 : 15,445,998.90 = 3,911,292.60 : x
  2. Step 2: Convert to fraction form
    10,301,998.20/15,445,998.90 = 3,911,292.60/x
  3. Step 3: Cross multiply
    10,301,998.20x = 15,445,998.90 × 3,911,292.60
  4. Step 4: Simplify right side
    10,301,998.20x = 60,413,821,197,178.14
  5. Step 5: Solve for x
    x = 60,413,821,197,178.14/10,301,998.20
  6. Step 6: Final answer
    x = 5,864,281.86

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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.