Home / 15,005,627.92-20,707,496.76-8,479,116.46

Finding the Fourth Proportional to 15,005,627.92, 20,707,496.76 and 8,479,116.46

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Solution

The fourth proportional to 15,005,627.92, 20,707,496.76 and 8,479,116.46 is: 11,701,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005,627.92 : 20,707,496.76 = 8,479,116.46 : x
  2. Step 2: Convert to fraction form
    15,005,627.92/20,707,496.76 = 8,479,116.46/x
  3. Step 3: Cross multiply
    15,005,627.92x = 20,707,496.76 × 8,479,116.46
  4. Step 4: Simplify right side
    15,005,627.92x = 175,581,276,623,112.69
  5. Step 5: Solve for x
    x = 175,581,276,623,112.69/15,005,627.92
  6. Step 6: Final answer
    x = 11,701,028.28

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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.