Home / 12,769,432.50-17,622,189-6,968,587.89

Finding the Fourth Proportional to 12,769,432.50, 17,622,189 and 6,968,587.89

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Solution

The fourth proportional to 12,769,432.50, 17,622,189 and 6,968,587.89 is: 9,616,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,432.50 : 17,622,189 = 6,968,587.89 : x
  2. Step 2: Convert to fraction form
    12,769,432.50/17,622,189 = 6,968,587.89/x
  3. Step 3: Cross multiply
    12,769,432.50x = 17,622,189 × 6,968,587.89
  4. Step 4: Simplify right side
    12,769,432.50x = 122,801,772,772,580.27
  5. Step 5: Solve for x
    x = 122,801,772,772,580.27/12,769,432.50
  6. Step 6: Final answer
    x = 9,616,854.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.