Home / 13,887,618.60-20,831,427.90-3,791,260.20

Finding the Fourth Proportional to 13,887,618.60, 20,831,427.90 and 3,791,260.20

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Solution

The fourth proportional to 13,887,618.60, 20,831,427.90 and 3,791,260.20 is: 5,686,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,618.60 : 20,831,427.90 = 3,791,260.20 : x
  2. Step 2: Convert to fraction form
    13,887,618.60/20,831,427.90 = 3,791,260.20/x
  3. Step 3: Cross multiply
    13,887,618.60x = 20,831,427.90 × 3,791,260.20
  4. Step 4: Simplify right side
    13,887,618.60x = 78,977,363,506,439.58
  5. Step 5: Solve for x
    x = 78,977,363,506,439.58/13,887,618.60
  6. Step 6: Final answer
    x = 5,686,890.30

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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.