Home / 7,776,200.10-11,664,300.15-6,693,780.90

Finding the Fourth Proportional to 7,776,200.10, 11,664,300.15 and 6,693,780.90

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Solution

The fourth proportional to 7,776,200.10, 11,664,300.15 and 6,693,780.90 is: 10,040,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,200.10 : 11,664,300.15 = 6,693,780.90 : x
  2. Step 2: Convert to fraction form
    7,776,200.10/11,664,300.15 = 6,693,780.90/x
  3. Step 3: Cross multiply
    7,776,200.10x = 11,664,300.15 × 6,693,780.90
  4. Step 4: Simplify right side
    7,776,200.10x = 78,078,269,555,937.14
  5. Step 5: Solve for x
    x = 78,078,269,555,937.14/7,776,200.10
  6. Step 6: Final answer
    x = 10,040,671.35

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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.