Home / 27,998,085.30-38,637,348.93-15,121,029.30

Finding the Fourth Proportional to 27,998,085.30, 38,637,348.93 and 15,121,029.30

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Solution

The fourth proportional to 27,998,085.30, 38,637,348.93 and 15,121,029.30 is: 20,867,015.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998,085.30 : 38,637,348.93 = 15,121,029.30 : x
  2. Step 2: Convert to fraction form
    27,998,085.30/38,637,348.93 = 15,121,029.30/x
  3. Step 3: Cross multiply
    27,998,085.30x = 38,637,348.93 × 15,121,029.30
  4. Step 4: Simplify right side
    27,998,085.30x = 584,236,485,244,853.62
  5. Step 5: Solve for x
    x = 584,236,485,244,853.62/27,998,085.30
  6. Step 6: Final answer
    x = 20,867,015.69

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1.5x scale

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.