Home / 8,310,823.80-12,466,235.70-2,920,306.20

Finding the Fourth Proportional to 8,310,823.80, 12,466,235.70 and 2,920,306.20

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Solution

The fourth proportional to 8,310,823.80, 12,466,235.70 and 2,920,306.20 is: 4,380,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,823.80 : 12,466,235.70 = 2,920,306.20 : x
  2. Step 2: Convert to fraction form
    8,310,823.80/12,466,235.70 = 2,920,306.20/x
  3. Step 3: Cross multiply
    8,310,823.80x = 12,466,235.70 × 2,920,306.20
  4. Step 4: Simplify right side
    8,310,823.80x = 36,405,225,405,371.34
  5. Step 5: Solve for x
    x = 36,405,225,405,371.34/8,310,823.80
  6. Step 6: Final answer
    x = 4,380,459.30

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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.