Home / 19,929,661.20-29,875,683.60-10,818,327.60

Finding the Fourth Proportional to 19,929,661.20, 29,875,683.60 and 10,818,327.60

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Solution

The fourth proportional to 19,929,661.20, 29,875,683.60 and 10,818,327.60 is: 16,217,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,661.20 : 29,875,683.60 = 10,818,327.60 : x
  2. Step 2: Convert to fraction form
    19,929,661.20/29,875,683.60 = 10,818,327.60/x
  3. Step 3: Cross multiply
    19,929,661.20x = 29,875,683.60 × 10,818,327.60
  4. Step 4: Simplify right side
    19,929,661.20x = 323,204,932,458,747.38
  5. Step 5: Solve for x
    x = 323,204,932,458,747.38/19,929,661.20
  6. Step 6: Final answer
    x = 16,217,281.83

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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.