Home / 21,888,010.20-32,832,015.30-13,825,853.40

Finding the Fourth Proportional to 21,888,010.20, 32,832,015.30 and 13,825,853.40

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Solution

The fourth proportional to 21,888,010.20, 32,832,015.30 and 13,825,853.40 is: 20,738,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,010.20 : 32,832,015.30 = 13,825,853.40 : x
  2. Step 2: Convert to fraction form
    21,888,010.20/32,832,015.30 = 13,825,853.40/x
  3. Step 3: Cross multiply
    21,888,010.20x = 32,832,015.30 × 13,825,853.40
  4. Step 4: Simplify right side
    21,888,010.20x = 453,930,630,364,357.06
  5. Step 5: Solve for x
    x = 453,930,630,364,357.06/21,888,010.20
  6. Step 6: Final answer
    x = 20,738,780.10

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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.