Home / 26,480,603.72-36,559,536.54-20,996,132.60

Finding the Fourth Proportional to 26,480,603.72, 36,559,536.54 and 20,996,132.60

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Solution

The fourth proportional to 26,480,603.72, 36,559,536.54 and 20,996,132.60 is: 28,987,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480,603.72 : 36,559,536.54 = 20,996,132.60 : x
  2. Step 2: Convert to fraction form
    26,480,603.72/36,559,536.54 = 20,996,132.60/x
  3. Step 3: Cross multiply
    26,480,603.72x = 36,559,536.54 × 20,996,132.60
  4. Step 4: Simplify right side
    26,480,603.72x = 767,608,876,988,385.25
  5. Step 5: Solve for x
    x = 767,608,876,988,385.25/26,480,603.72
  6. Step 6: Final answer
    x = 28,987,589.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.