Home / 8,048,643.40-12,069,465.90-2,655,209.80

Finding the Fourth Proportional to 8,048,643.40, 12,069,465.90 and 2,655,209.80

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Solution

The fourth proportional to 8,048,643.40, 12,069,465.90 and 2,655,209.80 is: 3,981,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048,643.40 : 12,069,465.90 = 2,655,209.80 : x
  2. Step 2: Convert to fraction form
    8,048,643.40/12,069,465.90 = 2,655,209.80/x
  3. Step 3: Cross multiply
    8,048,643.40x = 12,069,465.90 × 2,655,209.80
  4. Step 4: Simplify right side
    8,048,643.40x = 32,046,964,138,445.82
  5. Step 5: Solve for x
    x = 32,046,964,138,445.82/8,048,643.40
  6. Step 6: Final answer
    x = 3,981,660.33

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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.