Home / 25,871,128.71-38,806,693.10-10,514,820.57

Finding the Fourth Proportional to 25,871,128.71, 38,806,693.10 and 10,514,820.57

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Solution

The fourth proportional to 25,871,128.71, 38,806,693.10 and 10,514,820.57 is: 15,772,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871,128.71 : 38,806,693.10 = 10,514,820.57 : x
  2. Step 2: Convert to fraction form
    25,871,128.71/38,806,693.10 = 10,514,820.57/x
  3. Step 3: Cross multiply
    25,871,128.71x = 38,806,693.10 × 10,514,820.57
  4. Step 4: Simplify right side
    25,871,128.71x = 408,045,414,861,557.12
  5. Step 5: Solve for x
    x = 408,045,414,861,557.12/25,871,128.71
  6. Step 6: Final answer
    x = 15,772,230.87

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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.