Home / 15,033,028.50-20,745,634.40-8,157,510.36

Finding the Fourth Proportional to 15,033,028.50, 20,745,634.40 and 8,157,510.36

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Solution

The fourth proportional to 15,033,028.50, 20,745,634.40 and 8,157,510.36 is: 11,257,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,028.50 : 20,745,634.40 = 8,157,510.36 : x
  2. Step 2: Convert to fraction form
    15,033,028.50/20,745,634.40 = 8,157,510.36/x
  3. Step 3: Cross multiply
    15,033,028.50x = 20,745,634.40 × 8,157,510.36
  4. Step 4: Simplify right side
    15,033,028.50x = 169,232,727,542,772.38
  5. Step 5: Solve for x
    x = 169,232,727,542,772.38/15,033,028.50
  6. Step 6: Final answer
    x = 11,257,394.18

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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.