Home / 25,392,152.28-38,083,135.86-12,432,719.28

Finding the Fourth Proportional to 25,392,152.28, 38,083,135.86 and 12,432,719.28

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Solution

The fourth proportional to 25,392,152.28, 38,083,135.86 and 12,432,719.28 is: 18,646,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392,152.28 : 38,083,135.86 = 12,432,719.28 : x
  2. Step 2: Convert to fraction form
    25,392,152.28/38,083,135.86 = 12,432,719.28/x
  3. Step 3: Cross multiply
    25,392,152.28x = 38,083,135.86 × 12,432,719.28
  4. Step 4: Simplify right side
    25,392,152.28x = 473,476,937,449,481.38
  5. Step 5: Solve for x
    x = 473,476,937,449,481.38/25,392,152.28
  6. Step 6: Final answer
    x = 18,646,585.46

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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.