Home / 18,540,377.38-25,585,775.90-10,281,021.53

Finding the Fourth Proportional to 18,540,377.38, 25,585,775.90 and 10,281,021.53

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Solution

The fourth proportional to 18,540,377.38, 25,585,775.90 and 10,281,021.53 is: 14,187,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,377.38 : 25,585,775.90 = 10,281,021.53 : x
  2. Step 2: Convert to fraction form
    18,540,377.38/25,585,775.90 = 10,281,021.53/x
  3. Step 3: Cross multiply
    18,540,377.38x = 25,585,775.90 × 10,281,021.53
  4. Step 4: Simplify right side
    18,540,377.38x = 263,047,912,710,321.16
  5. Step 5: Solve for x
    x = 263,047,912,710,321.16/18,540,377.38
  6. Step 6: Final answer
    x = 14,187,840.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.