Home / 8,291,090.11-12,438,332.93-3,498,780.19

Finding the Fourth Proportional to 8,291,090.11, 12,438,332.93 and 3,498,780.19

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Solution

The fourth proportional to 8,291,090.11, 12,438,332.93 and 3,498,780.19 is: 5,248,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,090.11 : 12,438,332.93 = 3,498,780.19 : x
  2. Step 2: Convert to fraction form
    8,291,090.11/12,438,332.93 = 3,498,780.19/x
  3. Step 3: Cross multiply
    8,291,090.11x = 12,438,332.93 × 3,498,780.19
  4. Step 4: Simplify right side
    8,291,090.11x = 43,518,992,852,108.66
  5. Step 5: Solve for x
    x = 43,518,992,852,108.66/8,291,090.11
  6. Step 6: Final answer
    x = 5,248,886.73

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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.