Home / 37,128,587.22-51,236,655.84-20,607,748.38

Finding the Fourth Proportional to 37,128,587.22, 51,236,655.84 and 20,607,748.38

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Solution

The fourth proportional to 37,128,587.22, 51,236,655.84 and 20,607,748.38 is: 28,438,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128,587.22 : 51,236,655.84 = 20,607,748.38 : x
  2. Step 2: Convert to fraction form
    37,128,587.22/51,236,655.84 = 20,607,748.38/x
  3. Step 3: Cross multiply
    37,128,587.22x = 51,236,655.84 × 20,607,748.38
  4. Step 4: Simplify right side
    37,128,587.22x = 1,055,872,111,383,377.50
  5. Step 5: Solve for x
    x = 1,055,872,111,383,377.50/37,128,587.22
  6. Step 6: Final answer
    x = 28,438,251.77

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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.