Home / 16,818,176.80-25,227,265.20-15,698,432.80

Finding the Fourth Proportional to 16,818,176.80, 25,227,265.20 and 15,698,432.80

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Solution

The fourth proportional to 16,818,176.80, 25,227,265.20 and 15,698,432.80 is: 23,547,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818,176.80 : 25,227,265.20 = 15,698,432.80 : x
  2. Step 2: Convert to fraction form
    16,818,176.80/25,227,265.20 = 15,698,432.80/x
  3. Step 3: Cross multiply
    16,818,176.80x = 25,227,265.20 × 15,698,432.80
  4. Step 4: Simplify right side
    16,818,176.80x = 396,028,527,469,978.56
  5. Step 5: Solve for x
    x = 396,028,527,469,978.56/16,818,176.80
  6. Step 6: Final answer
    x = 23,547,649.20

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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.