Home / 20,148,010.30-30,222,015.45-14,521,296.70

Finding the Fourth Proportional to 20,148,010.30, 30,222,015.45 and 14,521,296.70

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Solution

The fourth proportional to 20,148,010.30, 30,222,015.45 and 14,521,296.70 is: 21,781,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,010.30 : 30,222,015.45 = 14,521,296.70 : x
  2. Step 2: Convert to fraction form
    20,148,010.30/30,222,015.45 = 14,521,296.70/x
  3. Step 3: Cross multiply
    20,148,010.30x = 30,222,015.45 × 14,521,296.70
  4. Step 4: Simplify right side
    20,148,010.30x = 438,862,853,221,434
  5. Step 5: Solve for x
    x = 438,862,853,221,434/20,148,010.30
  6. Step 6: Final answer
    x = 21,781,945.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.