Home / 10,622,355.60-15,941,406.60-7,788,003.60

Finding the Fourth Proportional to 10,622,355.60, 15,941,406.60 and 7,788,003.60

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Solution

The fourth proportional to 10,622,355.60, 15,941,406.60 and 7,788,003.60 is: 11,687,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622,355.60 : 15,941,406.60 = 7,788,003.60 : x
  2. Step 2: Convert to fraction form
    10,622,355.60/15,941,406.60 = 7,788,003.60/x
  3. Step 3: Cross multiply
    10,622,355.60x = 15,941,406.60 × 7,788,003.60
  4. Step 4: Simplify right side
    10,622,355.60x = 124,151,731,989,863.75
  5. Step 5: Solve for x
    x = 124,151,731,989,863.75/10,622,355.60
  6. Step 6: Final answer
    x = 11,687,777.80

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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.