Home / 9,309,403.20-13,964,104.80-8,637,556.80

Finding the Fourth Proportional to 9,309,403.20, 13,964,104.80 and 8,637,556.80

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Solution

The fourth proportional to 9,309,403.20, 13,964,104.80 and 8,637,556.80 is: 12,956,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,403.20 : 13,964,104.80 = 8,637,556.80 : x
  2. Step 2: Convert to fraction form
    9,309,403.20/13,964,104.80 = 8,637,556.80/x
  3. Step 3: Cross multiply
    9,309,403.20x = 13,964,104.80 × 8,637,556.80
  4. Step 4: Simplify right side
    9,309,403.20x = 120,615,748,371,152.66
  5. Step 5: Solve for x
    x = 120,615,748,371,152.66/9,309,403.20
  6. Step 6: Final answer
    x = 12,956,335.20

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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.