Home / 40,126,878.90-55,375,090.56-22,726,587.42

Finding the Fourth Proportional to 40,126,878.90, 55,375,090.56 and 22,726,587.42

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Solution

The fourth proportional to 40,126,878.90, 55,375,090.56 and 22,726,587.42 is: 31,362,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126,878.90 : 55,375,090.56 = 22,726,587.42 : x
  2. Step 2: Convert to fraction form
    40,126,878.90/55,375,090.56 = 22,726,587.42/x
  3. Step 3: Cross multiply
    40,126,878.90x = 55,375,090.56 × 22,726,587.42
  4. Step 4: Simplify right side
    40,126,878.90x = 1,258,486,836,502,257
  5. Step 5: Solve for x
    x = 1,258,486,836,502,257/40,126,878.90
  6. Step 6: Final answer
    x = 31,362,689.32

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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.