Home / 21,513,534.80-32,257,860.60-8,051,723.60

Finding the Fourth Proportional to 21,513,534.80, 32,257,860.60 and 8,051,723.60

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Solution

The fourth proportional to 21,513,534.80, 32,257,860.60 and 8,051,723.60 is: 12,072,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,534.80 : 32,257,860.60 = 8,051,723.60 : x
  2. Step 2: Convert to fraction form
    21,513,534.80/32,257,860.60 = 8,051,723.60/x
  3. Step 3: Cross multiply
    21,513,534.80x = 32,257,860.60 × 8,051,723.60
  4. Step 4: Simplify right side
    21,513,534.80x = 259,731,377,478,530.16
  5. Step 5: Solve for x
    x = 259,731,377,478,530.16/21,513,534.80
  6. Step 6: Final answer
    x = 12,072,928.97

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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.