Home / 13,887,620.60-20,831,430.90-3,791,262.20

Finding the Fourth Proportional to 13,887,620.60, 20,831,430.90 and 3,791,262.20

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Solution

The fourth proportional to 13,887,620.60, 20,831,430.90 and 3,791,262.20 is: 5,686,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,620.60 : 20,831,430.90 = 3,791,262.20 : x
  2. Step 2: Convert to fraction form
    13,887,620.60/20,831,430.90 = 3,791,262.20/x
  3. Step 3: Cross multiply
    13,887,620.60x = 20,831,430.90 × 3,791,262.20
  4. Step 4: Simplify right side
    13,887,620.60x = 78,977,416,543,081.98
  5. Step 5: Solve for x
    x = 78,977,416,543,081.98/13,887,620.60
  6. Step 6: Final answer
    x = 5,686,893.30

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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.