Home / 14,315,296-19,755,108.48-7,876,768

Finding the Fourth Proportional to 14,315,296, 19,755,108.48 and 7,876,768

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Solution

The fourth proportional to 14,315,296, 19,755,108.48 and 7,876,768 is: 10,869,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315,296 : 19,755,108.48 = 7,876,768 : x
  2. Step 2: Convert to fraction form
    14,315,296/19,755,108.48 = 7,876,768/x
  3. Step 3: Cross multiply
    14,315,296x = 19,755,108.48 × 7,876,768
  4. Step 4: Simplify right side
    14,315,296x = 155,606,406,311,792.66
  5. Step 5: Solve for x
    x = 155,606,406,311,792.66/14,315,296
  6. Step 6: Final answer
    x = 10,869,939.84

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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.