Home / 10,540,803.60-15,787,585.80-5,486,209.20

Finding the Fourth Proportional to 10,540,803.60, 15,787,585.80 and 5,486,209.20

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Solution

The fourth proportional to 10,540,803.60, 15,787,585.80 and 5,486,209.20 is: 8,217,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540,803.60 : 15,787,585.80 = 5,486,209.20 : x
  2. Step 2: Convert to fraction form
    10,540,803.60/15,787,585.80 = 5,486,209.20/x
  3. Step 3: Cross multiply
    10,540,803.60x = 15,787,585.80 × 5,486,209.20
  4. Step 4: Simplify right side
    10,540,803.60x = 86,613,998,461,749.36
  5. Step 5: Solve for x
    x = 86,613,998,461,749.36/10,540,803.60
  6. Step 6: Final answer
    x = 8,217,020.42

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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.