Home / 15,526,612.31-21,426,812.82-9,004,114.44

Finding the Fourth Proportional to 15,526,612.31, 21,426,812.82 and 9,004,114.44

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Solution

The fourth proportional to 15,526,612.31, 21,426,812.82 and 9,004,114.44 is: 12,425,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,612.31 : 21,426,812.82 = 9,004,114.44 : x
  2. Step 2: Convert to fraction form
    15,526,612.31/21,426,812.82 = 9,004,114.44/x
  3. Step 3: Cross multiply
    15,526,612.31x = 21,426,812.82 × 9,004,114.44
  4. Step 4: Simplify right side
    15,526,612.31x = 192,929,474,715,739.12
  5. Step 5: Solve for x
    x = 192,929,474,715,739.12/15,526,612.31
  6. Step 6: Final answer
    x = 12,425,728.87

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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.