Home / 26,280,346.40-39,427,892.40-12,817,613.60

Finding the Fourth Proportional to 26,280,346.40, 39,427,892.40 and 12,817,613.60

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Solution

The fourth proportional to 26,280,346.40, 39,427,892.40 and 12,817,613.60 is: 19,230,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280,346.40 : 39,427,892.40 = 12,817,613.60 : x
  2. Step 2: Convert to fraction form
    26,280,346.40/39,427,892.40 = 12,817,613.60/x
  3. Step 3: Cross multiply
    26,280,346.40x = 39,427,892.40 × 12,817,613.60
  4. Step 4: Simplify right side
    26,280,346.40x = 505,371,489,845,576.62
  5. Step 5: Solve for x
    x = 505,371,489,845,576.62/26,280,346.40
  6. Step 6: Final answer
    x = 19,230,016.31

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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.