Home / 36,403,781.93-54,605,877.03-12,142,642.23

Finding the Fourth Proportional to 36,403,781.93, 54,605,877.03 and 12,142,642.23

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Solution

The fourth proportional to 36,403,781.93, 54,605,877.03 and 12,142,642.23 is: 18,214,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403,781.93 : 54,605,877.03 = 12,142,642.23 : x
  2. Step 2: Convert to fraction form
    36,403,781.93/54,605,877.03 = 12,142,642.23/x
  3. Step 3: Cross multiply
    36,403,781.93x = 54,605,877.03 × 12,142,642.23
  4. Step 4: Simplify right side
    36,403,781.93x = 663,059,628,430,665
  5. Step 5: Solve for x
    x = 663,059,628,430,665/36,403,781.93
  6. Step 6: Final answer
    x = 18,214,031.44

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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.