Home / 7,486,870.20-11,230,305.30-4,085,647.80

Finding the Fourth Proportional to 7,486,870.20, 11,230,305.30 and 4,085,647.80

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Solution

The fourth proportional to 7,486,870.20, 11,230,305.30 and 4,085,647.80 is: 6,128,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486,870.20 : 11,230,305.30 = 4,085,647.80 : x
  2. Step 2: Convert to fraction form
    7,486,870.20/11,230,305.30 = 4,085,647.80/x
  3. Step 3: Cross multiply
    7,486,870.20x = 11,230,305.30 × 4,085,647.80
  4. Step 4: Simplify right side
    7,486,870.20x = 45,883,072,142,273.34
  5. Step 5: Solve for x
    x = 45,883,072,142,273.34/7,486,870.20
  6. Step 6: Final answer
    x = 6,128,471.70

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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.