Home / 7,801,977.40-11,687,219.70-4,432,247.80

Finding the Fourth Proportional to 7,801,977.40, 11,687,219.70 and 4,432,247.80

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Solution

The fourth proportional to 7,801,977.40, 11,687,219.70 and 4,432,247.80 is: 6,639,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,977.40 : 11,687,219.70 = 4,432,247.80 : x
  2. Step 2: Convert to fraction form
    7,801,977.40/11,687,219.70 = 4,432,247.80/x
  3. Step 3: Cross multiply
    7,801,977.40x = 11,687,219.70 × 4,432,247.80
  4. Step 4: Simplify right side
    7,801,977.40x = 51,800,653,803,441.66
  5. Step 5: Solve for x
    x = 51,800,653,803,441.66/7,801,977.40
  6. Step 6: Final answer
    x = 6,639,426.28

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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.