Home / 8,181,720.36-12,271,398.75-2,500,419.24

Finding the Fourth Proportional to 8,181,720.36, 12,271,398.75 and 2,500,419.24

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Solution

The fourth proportional to 8,181,720.36, 12,271,398.75 and 2,500,419.24 is: 3,750,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,720.36 : 12,271,398.75 = 2,500,419.24 : x
  2. Step 2: Convert to fraction form
    8,181,720.36/12,271,398.75 = 2,500,419.24/x
  3. Step 3: Cross multiply
    8,181,720.36x = 12,271,398.75 × 2,500,419.24
  4. Step 4: Simplify right side
    8,181,720.36x = 30,683,641,536,211.95
  5. Step 5: Solve for x
    x = 30,683,641,536,211.95/8,181,720.36
  6. Step 6: Final answer
    x = 3,750,267.69

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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.