Home / 8,270,909.65-12,408,045.98-2,879,980.45

Finding the Fourth Proportional to 8,270,909.65, 12,408,045.98 and 2,879,980.45

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Solution

The fourth proportional to 8,270,909.65, 12,408,045.98 and 2,879,980.45 is: 4,320,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,909.65 : 12,408,045.98 = 2,879,980.45 : x
  2. Step 2: Convert to fraction form
    8,270,909.65/12,408,045.98 = 2,879,980.45/x
  3. Step 3: Cross multiply
    8,270,909.65x = 12,408,045.98 × 2,879,980.45
  4. Step 4: Simplify right side
    8,270,909.65x = 35,734,929,845,101.09
  5. Step 5: Solve for x
    x = 35,734,929,845,101.09/8,270,909.65
  6. Step 6: Final answer
    x = 4,320,556.19

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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.