Home / 12,483,862.80-18,725,794.20-8,701,616.40

Finding the Fourth Proportional to 12,483,862.80, 18,725,794.20 and 8,701,616.40

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Solution

The fourth proportional to 12,483,862.80, 18,725,794.20 and 8,701,616.40 is: 13,052,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,862.80 : 18,725,794.20 = 8,701,616.40 : x
  2. Step 2: Convert to fraction form
    12,483,862.80/18,725,794.20 = 8,701,616.40/x
  3. Step 3: Cross multiply
    12,483,862.80x = 18,725,794.20 × 8,701,616.40
  4. Step 4: Simplify right side
    12,483,862.80x = 162,944,677,913,744.88
  5. Step 5: Solve for x
    x = 162,944,677,913,744.88/12,483,862.80
  6. Step 6: Final answer
    x = 13,052,424.60

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Similar ratio
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1.5x scale

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.