Home / 28,577,432.80-39,436,699.62-15,524,587.36

Finding the Fourth Proportional to 28,577,432.80, 39,436,699.62 and 15,524,587.36

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Solution

The fourth proportional to 28,577,432.80, 39,436,699.62 and 15,524,587.36 is: 21,423,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577,432.80 : 39,436,699.62 = 15,524,587.36 : x
  2. Step 2: Convert to fraction form
    28,577,432.80/39,436,699.62 = 15,524,587.36/x
  3. Step 3: Cross multiply
    28,577,432.80x = 39,436,699.62 × 15,524,587.36
  4. Step 4: Simplify right side
    28,577,432.80x = 612,238,488,440,768.75
  5. Step 5: Solve for x
    x = 612,238,488,440,768.75/28,577,432.80
  6. Step 6: Final answer
    x = 21,423,844.92

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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.