Home / 11,078,769.30-15,291,252.53-6,496,566.90

Finding the Fourth Proportional to 11,078,769.30, 15,291,252.53 and 6,496,566.90

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Solution

The fourth proportional to 11,078,769.30, 15,291,252.53 and 6,496,566.90 is: 8,966,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,769.30 : 15,291,252.53 = 6,496,566.90 : x
  2. Step 2: Convert to fraction form
    11,078,769.30/15,291,252.53 = 6,496,566.90/x
  3. Step 3: Cross multiply
    11,078,769.30x = 15,291,252.53 × 6,496,566.90
  4. Step 4: Simplify right side
    11,078,769.30x = 99,340,645,045,939.27
  5. Step 5: Solve for x
    x = 99,340,645,045,939.27/11,078,769.30
  6. Step 6: Final answer
    x = 8,966,758.16

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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.