Home / 8,305,129.80-12,459,444.30-2,625,928.20

Finding the Fourth Proportional to 8,305,129.80, 12,459,444.30 and 2,625,928.20

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Solution

The fourth proportional to 8,305,129.80, 12,459,444.30 and 2,625,928.20 is: 3,939,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,129.80 : 12,459,444.30 = 2,625,928.20 : x
  2. Step 2: Convert to fraction form
    8,305,129.80/12,459,444.30 = 2,625,928.20/x
  3. Step 3: Cross multiply
    8,305,129.80x = 12,459,444.30 × 2,625,928.20
  4. Step 4: Simplify right side
    8,305,129.80x = 32,717,606,143,699.27
  5. Step 5: Solve for x
    x = 32,717,606,143,699.27/8,305,129.80
  6. Step 6: Final answer
    x = 3,939,445.49

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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.