Home / 10,266,668.72-15,399,961.14-2,590,331.48

Finding the Fourth Proportional to 10,266,668.72, 15,399,961.14 and 2,590,331.48

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Solution

The fourth proportional to 10,266,668.72, 15,399,961.14 and 2,590,331.48 is: 3,885,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266,668.72 : 15,399,961.14 = 2,590,331.48 : x
  2. Step 2: Convert to fraction form
    10,266,668.72/15,399,961.14 = 2,590,331.48/x
  3. Step 3: Cross multiply
    10,266,668.72x = 15,399,961.14 × 2,590,331.48
  4. Step 4: Simplify right side
    10,266,668.72x = 39,891,004,131,718.69
  5. Step 5: Solve for x
    x = 39,891,004,131,718.69/10,266,668.72
  6. Step 6: Final answer
    x = 3,885,486.64

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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.