Home / 21,858,103.80-32,808,150.90-11,087,566.20

Finding the Fourth Proportional to 21,858,103.80, 32,808,150.90 and 11,087,566.20

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Solution

The fourth proportional to 21,858,103.80, 32,808,150.90 and 11,087,566.20 is: 16,641,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858,103.80 : 32,808,150.90 = 11,087,566.20 : x
  2. Step 2: Convert to fraction form
    21,858,103.80/32,808,150.90 = 11,087,566.20/x
  3. Step 3: Cross multiply
    21,858,103.80x = 32,808,150.90 × 11,087,566.20
  4. Step 4: Simplify right side
    21,858,103.80x = 363,762,545,003,339.56
  5. Step 5: Solve for x
    x = 363,762,545,003,339.56/21,858,103.80
  6. Step 6: Final answer
    x = 16,641,999.16

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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.