Home / 10,598,983.20-15,898,474.80-9,780,170.40

Finding the Fourth Proportional to 10,598,983.20, 15,898,474.80 and 9,780,170.40

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Solution

The fourth proportional to 10,598,983.20, 15,898,474.80 and 9,780,170.40 is: 14,670,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,983.20 : 15,898,474.80 = 9,780,170.40 : x
  2. Step 2: Convert to fraction form
    10,598,983.20/15,898,474.80 = 9,780,170.40/x
  3. Step 3: Cross multiply
    10,598,983.20x = 15,898,474.80 × 9,780,170.40
  4. Step 4: Simplify right side
    10,598,983.20x = 155,489,792,644,105.94
  5. Step 5: Solve for x
    x = 155,489,792,644,105.94/10,598,983.20
  6. Step 6: Final answer
    x = 14,670,255.60

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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.