Home / 36,351,712.80-54,433,090.80-28,730,455.20

Finding the Fourth Proportional to 36,351,712.80, 54,433,090.80 and 28,730,455.20

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Solution

The fourth proportional to 36,351,712.80, 54,433,090.80 and 28,730,455.20 is: 43,021,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351,712.80 : 54,433,090.80 = 28,730,455.20 : x
  2. Step 2: Convert to fraction form
    36,351,712.80/54,433,090.80 = 28,730,455.20/x
  3. Step 3: Cross multiply
    36,351,712.80x = 54,433,090.80 × 28,730,455.20
  4. Step 4: Simplify right side
    36,351,712.80x = 1,563,887,476,626,932
  5. Step 5: Solve for x
    x = 1,563,887,476,626,932/36,351,712.80
  6. Step 6: Final answer
    x = 43,021,012.11

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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.