Home / 21,909,786.15-32,867,670.02-9,127,301.57

Finding the Fourth Proportional to 21,909,786.15, 32,867,670.02 and 9,127,301.57

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Solution

The fourth proportional to 21,909,786.15, 32,867,670.02 and 9,127,301.57 is: 13,692,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,786.15 : 32,867,670.02 = 9,127,301.57 : x
  2. Step 2: Convert to fraction form
    21,909,786.15/32,867,670.02 = 9,127,301.57/x
  3. Step 3: Cross multiply
    21,909,786.15x = 32,867,670.02 × 9,127,301.57
  4. Step 4: Simplify right side
    21,909,786.15x = 299,993,136,175,787.94
  5. Step 5: Solve for x
    x = 299,993,136,175,787.94/21,909,786.15
  6. Step 6: Final answer
    x = 13,692,198.28

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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.