Home / 12,183,820.30-18,275,730.45-9,792,335.80

Finding the Fourth Proportional to 12,183,820.30, 18,275,730.45 and 9,792,335.80

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Solution

The fourth proportional to 12,183,820.30, 18,275,730.45 and 9,792,335.80 is: 14,688,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,820.30 : 18,275,730.45 = 9,792,335.80 : x
  2. Step 2: Convert to fraction form
    12,183,820.30/18,275,730.45 = 9,792,335.80/x
  3. Step 3: Cross multiply
    12,183,820.30x = 18,275,730.45 × 9,792,335.80
  4. Step 4: Simplify right side
    12,183,820.30x = 178,962,089,556,685.12
  5. Step 5: Solve for x
    x = 178,962,089,556,685.12/12,183,820.30
  6. Step 6: Final answer
    x = 14,688,503.70

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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.