Home / 13,331,402.60-19,997,103.90-12,281,642.60

Finding the Fourth Proportional to 13,331,402.60, 19,997,103.90 and 12,281,642.60

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Solution

The fourth proportional to 13,331,402.60, 19,997,103.90 and 12,281,642.60 is: 18,422,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,402.60 : 19,997,103.90 = 12,281,642.60 : x
  2. Step 2: Convert to fraction form
    13,331,402.60/19,997,103.90 = 12,281,642.60/x
  3. Step 3: Cross multiply
    13,331,402.60x = 19,997,103.90 × 12,281,642.60
  4. Step 4: Simplify right side
    13,331,402.60x = 245,597,283,134,866.12
  5. Step 5: Solve for x
    x = 245,597,283,134,866.12/13,331,402.60
  6. Step 6: Final answer
    x = 18,422,463.90

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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.