Home / 28,573,910.52-39,432,707.64-15,521,165.52

Finding the Fourth Proportional to 28,573,910.52, 39,432,707.64 and 15,521,165.52

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Solution

The fourth proportional to 28,573,910.52, 39,432,707.64 and 15,521,165.52 is: 21,419,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573,910.52 : 39,432,707.64 = 15,521,165.52 : x
  2. Step 2: Convert to fraction form
    28,573,910.52/39,432,707.64 = 15,521,165.52/x
  3. Step 3: Cross multiply
    28,573,910.52x = 39,432,707.64 × 15,521,165.52
  4. Step 4: Simplify right side
    28,573,910.52x = 612,041,582,182,208.62
  5. Step 5: Solve for x
    x = 612,041,582,182,208.62/28,573,910.52
  6. Step 6: Final answer
    x = 21,419,594.69

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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.