Home / 15,157,577.50-20,917,475.41-8,188,254.69

Finding the Fourth Proportional to 15,157,577.50, 20,917,475.41 and 8,188,254.69

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Solution

The fourth proportional to 15,157,577.50, 20,917,475.41 and 8,188,254.69 is: 11,299,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,577.50 : 20,917,475.41 = 8,188,254.69 : x
  2. Step 2: Convert to fraction form
    15,157,577.50/20,917,475.41 = 8,188,254.69/x
  3. Step 3: Cross multiply
    15,157,577.50x = 20,917,475.41 × 8,188,254.69
  4. Step 4: Simplify right side
    15,157,577.50x = 171,277,616,128,892.19
  5. Step 5: Solve for x
    x = 171,277,616,128,892.19/15,157,577.50
  6. Step 6: Final answer
    x = 11,299,801.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.