Home / 15,143,101-20,897,371.20-8,267,582.84

Finding the Fourth Proportional to 15,143,101, 20,897,371.20 and 8,267,582.84

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Solution

The fourth proportional to 15,143,101, 20,897,371.20 and 8,267,582.84 is: 11,409,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,101 : 20,897,371.20 = 8,267,582.84 : x
  2. Step 2: Convert to fraction form
    15,143,101/20,897,371.20 = 8,267,582.84/x
  3. Step 3: Cross multiply
    15,143,101x = 20,897,371.20 × 8,267,582.84
  4. Step 4: Simplify right side
    15,143,101x = 172,770,747,534,230.19
  5. Step 5: Solve for x
    x = 172,770,747,534,230.19/15,143,101
  6. Step 6: Final answer
    x = 11,409,205.26

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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.