Home / 18,430,851.38-25,434,585.83-10,282,089.38

Finding the Fourth Proportional to 18,430,851.38, 25,434,585.83 and 10,282,089.38

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Solution

The fourth proportional to 18,430,851.38, 25,434,585.83 and 10,282,089.38 is: 14,189,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,851.38 : 25,434,585.83 = 10,282,089.38 : x
  2. Step 2: Convert to fraction form
    18,430,851.38/25,434,585.83 = 10,282,089.38/x
  3. Step 3: Cross multiply
    18,430,851.38x = 25,434,585.83 × 10,282,089.38
  4. Step 4: Simplify right side
    18,430,851.38x = 261,520,684,745,873.78
  5. Step 5: Solve for x
    x = 261,520,684,745,873.78/18,430,851.38
  6. Step 6: Final answer
    x = 14,189,289.44

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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.