Home / 21,728,400.80-32,596,537.80-10,918,497.20

Finding the Fourth Proportional to 21,728,400.80, 32,596,537.80 and 10,918,497.20

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Solution

The fourth proportional to 21,728,400.80, 32,596,537.80 and 10,918,497.20 is: 16,379,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,400.80 : 32,596,537.80 = 10,918,497.20 : x
  2. Step 2: Convert to fraction form
    21,728,400.80/32,596,537.80 = 10,918,497.20/x
  3. Step 3: Cross multiply
    21,728,400.80x = 32,596,537.80 × 10,918,497.20
  4. Step 4: Simplify right side
    21,728,400.80x = 355,905,206,698,994.12
  5. Step 5: Solve for x
    x = 355,905,206,698,994.12/21,728,400.80
  6. Step 6: Final answer
    x = 16,379,723.94

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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.