Home / 20,453,224.79-30,679,872.04-16,380,449.18

Finding the Fourth Proportional to 20,453,224.79, 30,679,872.04 and 16,380,449.18

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Solution

The fourth proportional to 20,453,224.79, 30,679,872.04 and 16,380,449.18 is: 24,570,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,224.79 : 30,679,872.04 = 16,380,449.18 : x
  2. Step 2: Convert to fraction form
    20,453,224.79/30,679,872.04 = 16,380,449.18/x
  3. Step 3: Cross multiply
    20,453,224.79x = 30,679,872.04 × 16,380,449.18
  4. Step 4: Simplify right side
    20,453,224.79x = 502,550,084,835,871.50
  5. Step 5: Solve for x
    x = 502,550,084,835,871.50/20,453,224.79
  6. Step 6: Final answer
    x = 24,570,701.68

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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.