Home / 13,582,089.90-18,733,786.56-9,223,603.02

Finding the Fourth Proportional to 13,582,089.90, 18,733,786.56 and 9,223,603.02

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Solution

The fourth proportional to 13,582,089.90, 18,733,786.56 and 9,223,603.02 is: 12,722,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,089.90 : 18,733,786.56 = 9,223,603.02 : x
  2. Step 2: Convert to fraction form
    13,582,089.90/18,733,786.56 = 9,223,603.02/x
  3. Step 3: Cross multiply
    13,582,089.90x = 18,733,786.56 × 9,223,603.02
  4. Step 4: Simplify right side
    13,582,089.90x = 172,793,010,290,851.38
  5. Step 5: Solve for x
    x = 172,793,010,290,851.38/13,582,089.90
  6. Step 6: Final answer
    x = 12,722,122.41

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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.