Home / 12,238,214.40-18,359,071.20-4,151,563.20

Finding the Fourth Proportional to 12,238,214.40, 18,359,071.20 and 4,151,563.20

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Solution

The fourth proportional to 12,238,214.40, 18,359,071.20 and 4,151,563.20 is: 6,227,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,214.40 : 18,359,071.20 = 4,151,563.20 : x
  2. Step 2: Convert to fraction form
    12,238,214.40/18,359,071.20 = 4,151,563.20/x
  3. Step 3: Cross multiply
    12,238,214.40x = 18,359,071.20 × 4,151,563.20
  4. Step 4: Simplify right side
    12,238,214.40x = 76,218,844,380,099.84
  5. Step 5: Solve for x
    x = 76,218,844,380,099.84/12,238,214.40
  6. Step 6: Final answer
    x = 6,227,938.32

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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.