Home / 40,989,918.69-61,483,897.97-13,323,801.42

Finding the Fourth Proportional to 40,989,918.69, 61,483,897.97 and 13,323,801.42

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Solution

The fourth proportional to 40,989,918.69, 61,483,897.97 and 13,323,801.42 is: 19,985,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989,918.69 : 61,483,897.97 = 13,323,801.42 : x
  2. Step 2: Convert to fraction form
    40,989,918.69/61,483,897.97 = 13,323,801.42/x
  3. Step 3: Cross multiply
    40,989,918.69x = 61,483,897.97 × 13,323,801.42
  4. Step 4: Simplify right side
    40,989,918.69x = 819,199,247,013,202.12
  5. Step 5: Solve for x
    x = 819,199,247,013,202.12/40,989,918.69
  6. Step 6: Final answer
    x = 19,985,383.56

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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.