Home / 20,617,335.76-28,452,574.24-12,354,674.80

Finding the Fourth Proportional to 20,617,335.76, 28,452,574.24 and 12,354,674.80

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Solution

The fourth proportional to 20,617,335.76, 28,452,574.24 and 12,354,674.80 is: 17,049,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,335.76 : 28,452,574.24 = 12,354,674.80 : x
  2. Step 2: Convert to fraction form
    20,617,335.76/28,452,574.24 = 12,354,674.80/x
  3. Step 3: Cross multiply
    20,617,335.76x = 28,452,574.24 × 12,354,674.80
  4. Step 4: Simplify right side
    20,617,335.76x = 351,522,301,958,057.12
  5. Step 5: Solve for x
    x = 351,522,301,958,057.12/20,617,335.76
  6. Step 6: Final answer
    x = 17,049,841.26

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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.