Home / 13,945,569.60-20,918,354.40-8,276,865.60

Finding the Fourth Proportional to 13,945,569.60, 20,918,354.40 and 8,276,865.60

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Solution

The fourth proportional to 13,945,569.60, 20,918,354.40 and 8,276,865.60 is: 12,415,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945,569.60 : 20,918,354.40 = 8,276,865.60 : x
  2. Step 2: Convert to fraction form
    13,945,569.60/20,918,354.40 = 8,276,865.60/x
  3. Step 3: Cross multiply
    13,945,569.60x = 20,918,354.40 × 8,276,865.60
  4. Step 4: Simplify right side
    13,945,569.60x = 173,138,407,941,968.62
  5. Step 5: Solve for x
    x = 173,138,407,941,968.62/13,945,569.60
  6. Step 6: Final answer
    x = 12,415,298.40

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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.