Home / 38,850,160.32-53,612,948.50-21,209,062.87

Finding the Fourth Proportional to 38,850,160.32, 53,612,948.50 and 21,209,062.87

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Solution

The fourth proportional to 38,850,160.32, 53,612,948.50 and 21,209,062.87 is: 29,268,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850,160.32 : 53,612,948.50 = 21,209,062.87 : x
  2. Step 2: Convert to fraction form
    38,850,160.32/53,612,948.50 = 21,209,062.87/x
  3. Step 3: Cross multiply
    38,850,160.32x = 53,612,948.50 × 21,209,062.87
  4. Step 4: Simplify right side
    38,850,160.32x = 1,137,080,395,382,572.25
  5. Step 5: Solve for x
    x = 1,137,080,395,382,572.25/38,850,160.32
  6. Step 6: Final answer
    x = 29,268,357.87

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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.