Home / 16,621,806.40-24,918,712.80-8,643,630.40

Finding the Fourth Proportional to 16,621,806.40, 24,918,712.80 and 8,643,630.40

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Solution

The fourth proportional to 16,621,806.40, 24,918,712.80 and 8,643,630.40 is: 12,958,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621,806.40 : 24,918,712.80 = 8,643,630.40 : x
  2. Step 2: Convert to fraction form
    16,621,806.40/24,918,712.80 = 8,643,630.40/x
  3. Step 3: Cross multiply
    16,621,806.40x = 24,918,712.80 × 8,643,630.40
  4. Step 4: Simplify right side
    16,621,806.40x = 215,388,143,486,949.12
  5. Step 5: Solve for x
    x = 215,388,143,486,949.12/16,621,806.40
  6. Step 6: Final answer
    x = 12,958,167.02

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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.