Home / 29,185,144.48-40,275,508.08-15,954,378.88

Finding the Fourth Proportional to 29,185,144.48, 40,275,508.08 and 15,954,378.88

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Solution

The fourth proportional to 29,185,144.48, 40,275,508.08 and 15,954,378.88 is: 22,017,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,185,144.48 : 40,275,508.08 = 15,954,378.88 : x
  2. Step 2: Convert to fraction form
    29,185,144.48/40,275,508.08 = 15,954,378.88/x
  3. Step 3: Cross multiply
    29,185,144.48x = 40,275,508.08 × 15,954,378.88
  4. Step 4: Simplify right side
    29,185,144.48x = 642,570,715,492,821.38
  5. Step 5: Solve for x
    x = 642,570,715,492,821.38/29,185,144.48
  6. Step 6: Final answer
    x = 22,017,047.61

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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.