Home / 28,207,833.76-38,932,393.08-18,296,998.48

Finding the Fourth Proportional to 28,207,833.76, 38,932,393.08 and 18,296,998.48

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Solution

The fourth proportional to 28,207,833.76, 38,932,393.08 and 18,296,998.48 is: 25,253,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207,833.76 : 38,932,393.08 = 18,296,998.48 : x
  2. Step 2: Convert to fraction form
    28,207,833.76/38,932,393.08 = 18,296,998.48/x
  3. Step 3: Cross multiply
    28,207,833.76x = 38,932,393.08 × 18,296,998.48
  4. Step 4: Simplify right side
    28,207,833.76x = 712,345,937,007,522.50
  5. Step 5: Solve for x
    x = 712,345,937,007,522.50/28,207,833.76
  6. Step 6: Final answer
    x = 25,253,478.98

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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.