Home / 5,376,245.40-8,064,368.10-4,947,010.20

Finding the Fourth Proportional to 5,376,245.40, 8,064,368.10 and 4,947,010.20

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Solution

The fourth proportional to 5,376,245.40, 8,064,368.10 and 4,947,010.20 is: 7,420,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,245.40 : 8,064,368.10 = 4,947,010.20 : x
  2. Step 2: Convert to fraction form
    5,376,245.40/8,064,368.10 = 4,947,010.20/x
  3. Step 3: Cross multiply
    5,376,245.40x = 8,064,368.10 × 4,947,010.20
  4. Step 4: Simplify right side
    5,376,245.40x = 39,894,511,247,254.62
  5. Step 5: Solve for x
    x = 39,894,511,247,254.62/5,376,245.40
  6. Step 6: Final answer
    x = 7,420,515.30

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Similar ratio
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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.