Home / 10,757,257.65-16,109,314.43-8,018,236.98

Finding the Fourth Proportional to 10,757,257.65, 16,109,314.43 and 8,018,236.98

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Solution

The fourth proportional to 10,757,257.65, 16,109,314.43 and 8,018,236.98 is: 12,007,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757,257.65 : 16,109,314.43 = 8,018,236.98 : x
  2. Step 2: Convert to fraction form
    10,757,257.65/16,109,314.43 = 8,018,236.98/x
  3. Step 3: Cross multiply
    10,757,257.65x = 16,109,314.43 × 8,018,236.98
  4. Step 4: Simplify right side
    10,757,257.65x = 129,168,300,644,982.45
  5. Step 5: Solve for x
    x = 129,168,300,644,982.45/10,757,257.65
  6. Step 6: Final answer
    x = 12,007,549.21

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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.