Home / 28,929,455.85-43,406,357.49-18,008,786.16

Finding the Fourth Proportional to 28,929,455.85, 43,406,357.49 and 18,008,786.16

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Solution

The fourth proportional to 28,929,455.85, 43,406,357.49 and 18,008,786.16 is: 27,020,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929,455.85 : 43,406,357.49 = 18,008,786.16 : x
  2. Step 2: Convert to fraction form
    28,929,455.85/43,406,357.49 = 18,008,786.16/x
  3. Step 3: Cross multiply
    28,929,455.85x = 43,406,357.49 × 18,008,786.16
  4. Step 4: Simplify right side
    28,929,455.85x = 781,695,810,021,924.38
  5. Step 5: Solve for x
    x = 781,695,810,021,924.38/28,929,455.85
  6. Step 6: Final answer
    x = 27,020,757.46

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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.