Home / 7,928,999.20-11,893,498.80-5,537,514.70

Finding the Fourth Proportional to 7,928,999.20, 11,893,498.80 and 5,537,514.70

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Solution

The fourth proportional to 7,928,999.20, 11,893,498.80 and 5,537,514.70 is: 8,306,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,999.20 : 11,893,498.80 = 5,537,514.70 : x
  2. Step 2: Convert to fraction form
    7,928,999.20/11,893,498.80 = 5,537,514.70/x
  3. Step 3: Cross multiply
    7,928,999.20x = 11,893,498.80 × 5,537,514.70
  4. Step 4: Simplify right side
    7,928,999.20x = 65,860,424,439,432.37
  5. Step 5: Solve for x
    x = 65,860,424,439,432.37/7,928,999.20
  6. Step 6: Final answer
    x = 8,306,272.05

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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.