Home / 10,781,555.39-16,162,885.23-4,054,693.31

Finding the Fourth Proportional to 10,781,555.39, 16,162,885.23 and 4,054,693.31

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Solution

The fourth proportional to 10,781,555.39, 16,162,885.23 and 4,054,693.31 is: 6,078,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,555.39 : 16,162,885.23 = 4,054,693.31 : x
  2. Step 2: Convert to fraction form
    10,781,555.39/16,162,885.23 = 4,054,693.31/x
  3. Step 3: Cross multiply
    10,781,555.39x = 16,162,885.23 × 4,054,693.31
  4. Step 4: Simplify right side
    10,781,555.39x = 65,535,542,612,378.81
  5. Step 5: Solve for x
    x = 65,535,542,612,378.81/10,781,555.39
  6. Step 6: Final answer
    x = 6,078,486.85

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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.