Home / 25,383,330.90-38,060,999.55-10,220,130.90

Finding the Fourth Proportional to 25,383,330.90, 38,060,999.55 and 10,220,130.90

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Solution

The fourth proportional to 25,383,330.90, 38,060,999.55 and 10,220,130.90 is: 15,324,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383,330.90 : 38,060,999.55 = 10,220,130.90 : x
  2. Step 2: Convert to fraction form
    25,383,330.90/38,060,999.55 = 10,220,130.90/x
  3. Step 3: Cross multiply
    25,383,330.90x = 38,060,999.55 × 10,220,130.90
  4. Step 4: Simplify right side
    25,383,330.90x = 388,988,397,585,841.06
  5. Step 5: Solve for x
    x = 388,988,397,585,841.06/25,383,330.90
  6. Step 6: Final answer
    x = 15,324,560.80

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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.