Home / 21,400,596.72-32,046,089.40-11,805,310.80

Finding the Fourth Proportional to 21,400,596.72, 32,046,089.40 and 11,805,310.80

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Solution

The fourth proportional to 21,400,596.72, 32,046,089.40 and 11,805,310.80 is: 17,677,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,596.72 : 32,046,089.40 = 11,805,310.80 : x
  2. Step 2: Convert to fraction form
    21,400,596.72/32,046,089.40 = 11,805,310.80/x
  3. Step 3: Cross multiply
    21,400,596.72x = 32,046,089.40 × 11,805,310.80
  4. Step 4: Simplify right side
    21,400,596.72x = 378,314,045,291,585.50
  5. Step 5: Solve for x
    x = 378,314,045,291,585.50/21,400,596.72
  6. Step 6: Final answer
    x = 17,677,733.49

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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.