Home / 30,752,146.78-42,438,848.27-17,001,996.64

Finding the Fourth Proportional to 30,752,146.78, 42,438,848.27 and 17,001,996.64

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Solution

The fourth proportional to 30,752,146.78, 42,438,848.27 and 17,001,996.64 is: 23,463,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,146.78 : 42,438,848.27 = 17,001,996.64 : x
  2. Step 2: Convert to fraction form
    30,752,146.78/42,438,848.27 = 17,001,996.64/x
  3. Step 3: Cross multiply
    30,752,146.78x = 42,438,848.27 × 17,001,996.64
  4. Step 4: Simplify right side
    30,752,146.78x = 721,545,155,500,902.62
  5. Step 5: Solve for x
    x = 721,545,155,500,902.62/30,752,146.78
  6. Step 6: Final answer
    x = 23,463,245.05

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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.