Home / 21,437,412.72-32,138,044.08-9,297,736.60

Finding the Fourth Proportional to 21,437,412.72, 32,138,044.08 and 9,297,736.60

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Solution

The fourth proportional to 21,437,412.72, 32,138,044.08 and 9,297,736.60 is: 13,938,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437,412.72 : 32,138,044.08 = 9,297,736.60 : x
  2. Step 2: Convert to fraction form
    21,437,412.72/32,138,044.08 = 9,297,736.60/x
  3. Step 3: Cross multiply
    21,437,412.72x = 32,138,044.08 × 9,297,736.60
  4. Step 4: Simplify right side
    21,437,412.72x = 298,811,068,695,029.31
  5. Step 5: Solve for x
    x = 298,811,068,695,029.31/21,437,412.72
  6. Step 6: Final answer
    x = 13,938,765.49

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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.