Home / 15,049,238.84-20,766,680.93-8,343,750.23

Finding the Fourth Proportional to 15,049,238.84, 20,766,680.93 and 8,343,750.23

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Solution

The fourth proportional to 15,049,238.84, 20,766,680.93 and 8,343,750.23 is: 11,513,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,238.84 : 20,766,680.93 = 8,343,750.23 : x
  2. Step 2: Convert to fraction form
    15,049,238.84/20,766,680.93 = 8,343,750.23/x
  3. Step 3: Cross multiply
    15,049,238.84x = 20,766,680.93 × 8,343,750.23
  4. Step 4: Simplify right side
    15,049,238.84x = 173,271,998,640,471.97
  5. Step 5: Solve for x
    x = 173,271,998,640,471.97/15,049,238.84
  6. Step 6: Final answer
    x = 11,513,671.92

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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.