Home / 15,157,575.37-20,917,472.48-8,188,252.56

Finding the Fourth Proportional to 15,157,575.37, 20,917,472.48 and 8,188,252.56

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Solution

The fourth proportional to 15,157,575.37, 20,917,472.48 and 8,188,252.56 is: 11,299,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157,575.37 : 20,917,472.48 = 8,188,252.56 : x
  2. Step 2: Convert to fraction form
    15,157,575.37/20,917,472.48 = 8,188,252.56/x
  3. Step 3: Cross multiply
    15,157,575.37x = 20,917,472.48 × 8,188,252.56
  4. Step 4: Simplify right side
    15,157,575.37x = 171,277,547,528,108.75
  5. Step 5: Solve for x
    x = 171,277,547,528,108.75/15,157,575.37
  6. Step 6: Final answer
    x = 11,299,798.51

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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.