Home / 19,561,178.80-29,363,886.60-11,587,495.60

Finding the Fourth Proportional to 19,561,178.80, 29,363,886.60 and 11,587,495.60

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Solution

The fourth proportional to 19,561,178.80, 29,363,886.60 and 11,587,495.60 is: 17,394,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,178.80 : 29,363,886.60 = 11,587,495.60 : x
  2. Step 2: Convert to fraction form
    19,561,178.80/29,363,886.60 = 11,587,495.60/x
  3. Step 3: Cross multiply
    19,561,178.80x = 29,363,886.60 × 11,587,495.60
  4. Step 4: Simplify right side
    19,561,178.80x = 340,253,906,776,398.94
  5. Step 5: Solve for x
    x = 340,253,906,776,398.94/19,561,178.80
  6. Step 6: Final answer
    x = 17,394,345.72

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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.