Home / 10,867,434.20-16,301,035.06-2,780,345.60

Finding the Fourth Proportional to 10,867,434.20, 16,301,035.06 and 2,780,345.60

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Solution

The fourth proportional to 10,867,434.20, 16,301,035.06 and 2,780,345.60 is: 4,170,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,434.20 : 16,301,035.06 = 2,780,345.60 : x
  2. Step 2: Convert to fraction form
    10,867,434.20/16,301,035.06 = 2,780,345.60/x
  3. Step 3: Cross multiply
    10,867,434.20x = 16,301,035.06 × 2,780,345.60
  4. Step 4: Simplify right side
    10,867,434.20x = 45,322,511,104,516.74
  5. Step 5: Solve for x
    x = 45,322,511,104,516.74/10,867,434.20
  6. Step 6: Final answer
    x = 4,170,488.66

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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.