Home / 18,665,389.70-25,758,231.93-10,080,685.70

Finding the Fourth Proportional to 18,665,389.70, 25,758,231.93 and 10,080,685.70

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Solution

The fourth proportional to 18,665,389.70, 25,758,231.93 and 10,080,685.70 is: 13,911,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,389.70 : 25,758,231.93 = 10,080,685.70 : x
  2. Step 2: Convert to fraction form
    18,665,389.70/25,758,231.93 = 10,080,685.70/x
  3. Step 3: Cross multiply
    18,665,389.70x = 25,758,231.93 × 10,080,685.70
  4. Step 4: Simplify right side
    18,665,389.70x = 259,660,640,274,034.38
  5. Step 5: Solve for x
    x = 259,660,640,274,034.38/18,665,389.70
  6. Step 6: Final answer
    x = 13,911,343.10

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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.