Home / 21,713,280.80-32,560,090.80-8,245,632.80

Finding the Fourth Proportional to 21,713,280.80, 32,560,090.80 and 8,245,632.80

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Solution

The fourth proportional to 21,713,280.80, 32,560,090.80 and 8,245,632.80 is: 12,364,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713,280.80 : 32,560,090.80 = 8,245,632.80 : x
  2. Step 2: Convert to fraction form
    21,713,280.80/32,560,090.80 = 8,245,632.80/x
  3. Step 3: Cross multiply
    21,713,280.80x = 32,560,090.80 × 8,245,632.80
  4. Step 4: Simplify right side
    21,713,280.80x = 268,478,552,671,458.25
  5. Step 5: Solve for x
    x = 268,478,552,671,458.25/21,713,280.80
  6. Step 6: Final answer
    x = 12,364,716.10

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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.