Home / 8,526,820.40-12,773,641.80-5,150,999.60

Finding the Fourth Proportional to 8,526,820.40, 12,773,641.80 and 5,150,999.60

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Solution

The fourth proportional to 8,526,820.40, 12,773,641.80 and 5,150,999.60 is: 7,716,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526,820.40 : 12,773,641.80 = 5,150,999.60 : x
  2. Step 2: Convert to fraction form
    8,526,820.40/12,773,641.80 = 5,150,999.60/x
  3. Step 3: Cross multiply
    8,526,820.40x = 12,773,641.80 × 5,150,999.60
  4. Step 4: Simplify right side
    8,526,820.40x = 65,797,023,802,343.28
  5. Step 5: Solve for x
    x = 65,797,023,802,343.28/8,526,820.40
  6. Step 6: Final answer
    x = 7,716,478.21

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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.