Home / 18,959,510.20-28,439,265.30-12,157,065.40

Finding the Fourth Proportional to 18,959,510.20, 28,439,265.30 and 12,157,065.40

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Solution

The fourth proportional to 18,959,510.20, 28,439,265.30 and 12,157,065.40 is: 18,235,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959,510.20 : 28,439,265.30 = 12,157,065.40 : x
  2. Step 2: Convert to fraction form
    18,959,510.20/28,439,265.30 = 12,157,065.40/x
  3. Step 3: Cross multiply
    18,959,510.20x = 28,439,265.30 × 12,157,065.40
  4. Step 4: Simplify right side
    18,959,510.20x = 345,738,008,180,050.62
  5. Step 5: Solve for x
    x = 345,738,008,180,050.62/18,959,510.20
  6. Step 6: Final answer
    x = 18,235,598.10

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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.