Home / 61,884,836.72-92,816,958.72-18,743,783.12

Finding the Fourth Proportional to 61,884,836.72, 92,816,958.72 and 18,743,783.12

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Solution

The fourth proportional to 61,884,836.72, 92,816,958.72 and 18,743,783.12 is: 28,112,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884,836.72 : 92,816,958.72 = 18,743,783.12 : x
  2. Step 2: Convert to fraction form
    61,884,836.72/92,816,958.72 = 18,743,783.12/x
  3. Step 3: Cross multiply
    61,884,836.72x = 92,816,958.72 × 18,743,783.12
  4. Step 4: Simplify right side
    61,884,836.72x = 1,739,740,944,105,673
  5. Step 5: Solve for x
    x = 1,739,740,944,105,673/61,884,836.72
  6. Step 6: Final answer
    x = 28,112,556.10

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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.