Home / 17,152,001.90-25,728,002.85-10,422,478.70

Finding the Fourth Proportional to 17,152,001.90, 25,728,002.85 and 10,422,478.70

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Solution

The fourth proportional to 17,152,001.90, 25,728,002.85 and 10,422,478.70 is: 15,633,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152,001.90 : 25,728,002.85 = 10,422,478.70 : x
  2. Step 2: Convert to fraction form
    17,152,001.90/25,728,002.85 = 10,422,478.70/x
  3. Step 3: Cross multiply
    17,152,001.90x = 25,728,002.85 × 10,422,478.70
  4. Step 4: Simplify right side
    17,152,001.90x = 268,149,561,697,664.28
  5. Step 5: Solve for x
    x = 268,149,561,697,664.28/17,152,001.90
  6. Step 6: Final answer
    x = 15,633,718.05

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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.