Home / 8,321,923.40-12,482,885.10-5,920,694.60

Finding the Fourth Proportional to 8,321,923.40, 12,482,885.10 and 5,920,694.60

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Solution

The fourth proportional to 8,321,923.40, 12,482,885.10 and 5,920,694.60 is: 8,881,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,923.40 : 12,482,885.10 = 5,920,694.60 : x
  2. Step 2: Convert to fraction form
    8,321,923.40/12,482,885.10 = 5,920,694.60/x
  3. Step 3: Cross multiply
    8,321,923.40x = 12,482,885.10 × 5,920,694.60
  4. Step 4: Simplify right side
    8,321,923.40x = 73,907,350,403,990.45
  5. Step 5: Solve for x
    x = 73,907,350,403,990.45/8,321,923.40
  6. Step 6: Final answer
    x = 8,881,041.90

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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.