Home / 18,746,448.45-28,119,672.68-6,615,815.55

Finding the Fourth Proportional to 18,746,448.45, 28,119,672.68 and 6,615,815.55

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Solution

The fourth proportional to 18,746,448.45, 28,119,672.68 and 6,615,815.55 is: 9,923,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,448.45 : 28,119,672.68 = 6,615,815.55 : x
  2. Step 2: Convert to fraction form
    18,746,448.45/28,119,672.68 = 6,615,815.55/x
  3. Step 3: Cross multiply
    18,746,448.45x = 28,119,672.68 × 6,615,815.55
  4. Step 4: Simplify right side
    18,746,448.45x = 186,034,567,744,175.09
  5. Step 5: Solve for x
    x = 186,034,567,744,175.09/18,746,448.45
  6. Step 6: Final answer
    x = 9,923,723.33

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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.