Home / 7,129,027.20-10,693,540.80-6,877,084.80

Finding the Fourth Proportional to 7,129,027.20, 10,693,540.80 and 6,877,084.80

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Solution

The fourth proportional to 7,129,027.20, 10,693,540.80 and 6,877,084.80 is: 10,315,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,027.20 : 10,693,540.80 = 6,877,084.80 : x
  2. Step 2: Convert to fraction form
    7,129,027.20/10,693,540.80 = 6,877,084.80/x
  3. Step 3: Cross multiply
    7,129,027.20x = 10,693,540.80 × 6,877,084.80
  4. Step 4: Simplify right side
    7,129,027.20x = 73,540,386,893,859.84
  5. Step 5: Solve for x
    x = 73,540,386,893,859.84/7,129,027.20
  6. Step 6: Final answer
    x = 10,315,627.20

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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.