Home / 16,501,531.15-22,771,008.72-9,978,757.48

Finding the Fourth Proportional to 16,501,531.15, 22,771,008.72 and 9,978,757.48

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Solution

The fourth proportional to 16,501,531.15, 22,771,008.72 and 9,978,757.48 is: 13,770,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,501,531.15 : 22,771,008.72 = 9,978,757.48 : x
  2. Step 2: Convert to fraction form
    16,501,531.15/22,771,008.72 = 9,978,757.48/x
  3. Step 3: Cross multiply
    16,501,531.15x = 22,771,008.72 × 9,978,757.48
  4. Step 4: Simplify right side
    16,501,531.15x = 227,226,373,477,990.16
  5. Step 5: Solve for x
    x = 227,226,373,477,990.16/16,501,531.15
  6. Step 6: Final answer
    x = 13,770,017.55

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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.