Home / 22,172,221.47-30,375,435.98-21,343,258.26

Finding the Fourth Proportional to 22,172,221.47, 30,375,435.98 and 21,343,258.26

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Solution

The fourth proportional to 22,172,221.47, 30,375,435.98 and 21,343,258.26 is: 29,239,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172,221.47 : 30,375,435.98 = 21,343,258.26 : x
  2. Step 2: Convert to fraction form
    22,172,221.47/30,375,435.98 = 21,343,258.26/x
  3. Step 3: Cross multiply
    22,172,221.47x = 30,375,435.98 × 21,343,258.26
  4. Step 4: Simplify right side
    22,172,221.47x = 648,310,774,774,520
  5. Step 5: Solve for x
    x = 648,310,774,774,520/22,172,221.47
  6. Step 6: Final answer
    x = 29,239,775.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.