Home / 7,029,065.40-10,543,598.10-4,192,380.60

Finding the Fourth Proportional to 7,029,065.40, 10,543,598.10 and 4,192,380.60

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Solution

The fourth proportional to 7,029,065.40, 10,543,598.10 and 4,192,380.60 is: 6,288,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,065.40 : 10,543,598.10 = 4,192,380.60 : x
  2. Step 2: Convert to fraction form
    7,029,065.40/10,543,598.10 = 4,192,380.60/x
  3. Step 3: Cross multiply
    7,029,065.40x = 10,543,598.10 × 4,192,380.60
  4. Step 4: Simplify right side
    7,029,065.40x = 44,202,776,128,636.86
  5. Step 5: Solve for x
    x = 44,202,776,128,636.86/7,029,065.40
  6. Step 6: Final answer
    x = 6,288,570.90

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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.