Home / 15,381,016.20-23,071,524.30-12,880,254.60

Finding the Fourth Proportional to 15,381,016.20, 23,071,524.30 and 12,880,254.60

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Solution

The fourth proportional to 15,381,016.20, 23,071,524.30 and 12,880,254.60 is: 19,320,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381,016.20 : 23,071,524.30 = 12,880,254.60 : x
  2. Step 2: Convert to fraction form
    15,381,016.20/23,071,524.30 = 12,880,254.60/x
  3. Step 3: Cross multiply
    15,381,016.20x = 23,071,524.30 × 12,880,254.60
  4. Step 4: Simplify right side
    15,381,016.20x = 297,167,106,994,086.75
  5. Step 5: Solve for x
    x = 297,167,106,994,086.75/15,381,016.20
  6. Step 6: Final answer
    x = 19,320,381.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.