Home / 15,124,718.80-22,687,078.20-12,467,513.80

Finding the Fourth Proportional to 15,124,718.80, 22,687,078.20 and 12,467,513.80

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Solution

The fourth proportional to 15,124,718.80, 22,687,078.20 and 12,467,513.80 is: 18,701,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,718.80 : 22,687,078.20 = 12,467,513.80 : x
  2. Step 2: Convert to fraction form
    15,124,718.80/22,687,078.20 = 12,467,513.80/x
  3. Step 3: Cross multiply
    15,124,718.80x = 22,687,078.20 × 12,467,513.80
  4. Step 4: Simplify right side
    15,124,718.80x = 282,851,460,540,179.19
  5. Step 5: Solve for x
    x = 282,851,460,540,179.19/15,124,718.80
  6. Step 6: Final answer
    x = 18,701,270.70

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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.