Home / 21,561,620.80-32,342,431.20-10,224,212.80

Finding the Fourth Proportional to 21,561,620.80, 32,342,431.20 and 10,224,212.80

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Solution

The fourth proportional to 21,561,620.80, 32,342,431.20 and 10,224,212.80 is: 15,336,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,620.80 : 32,342,431.20 = 10,224,212.80 : x
  2. Step 2: Convert to fraction form
    21,561,620.80/32,342,431.20 = 10,224,212.80/x
  3. Step 3: Cross multiply
    21,561,620.80x = 32,342,431.20 × 10,224,212.80
  4. Step 4: Simplify right side
    21,561,620.80x = 330,675,899,058,159.38
  5. Step 5: Solve for x
    x = 330,675,899,058,159.38/21,561,620.80
  6. Step 6: Final answer
    x = 15,336,319.20

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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.