Home / 8,346,708.25-12,520,309.12-7,124,579.64

Finding the Fourth Proportional to 8,346,708.25, 12,520,309.12 and 7,124,579.64

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Solution

The fourth proportional to 8,346,708.25, 12,520,309.12 and 7,124,579.64 is: 10,687,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346,708.25 : 12,520,309.12 = 7,124,579.64 : x
  2. Step 2: Convert to fraction form
    8,346,708.25/12,520,309.12 = 7,124,579.64/x
  3. Step 3: Cross multiply
    8,346,708.25x = 12,520,309.12 × 7,124,579.64
  4. Step 4: Simplify right side
    8,346,708.25x = 89,201,939,425,046.86
  5. Step 5: Solve for x
    x = 89,201,939,425,046.86/8,346,708.25
  6. Step 6: Final answer
    x = 10,687,080.08

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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.