Home / 8,003,140.20-12,017,540.70-7,413,719.40

Finding the Fourth Proportional to 8,003,140.20, 12,017,540.70 and 7,413,719.40

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Solution

The fourth proportional to 8,003,140.20, 12,017,540.70 and 7,413,719.40 is: 11,132,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003,140.20 : 12,017,540.70 = 7,413,719.40 : x
  2. Step 2: Convert to fraction form
    8,003,140.20/12,017,540.70 = 7,413,719.40/x
  3. Step 3: Cross multiply
    8,003,140.20x = 12,017,540.70 × 7,413,719.40
  4. Step 4: Simplify right side
    8,003,140.20x = 89,094,674,627,879.58
  5. Step 5: Solve for x
    x = 89,094,674,627,879.58/8,003,140.20
  6. Step 6: Final answer
    x = 11,132,464.56

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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.