Home / 20,054,489-27,675,530.16-10,887,131.72

Finding the Fourth Proportional to 20,054,489, 27,675,530.16 and 10,887,131.72

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Solution

The fourth proportional to 20,054,489, 27,675,530.16 and 10,887,131.72 is: 15,024,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,489 : 27,675,530.16 = 10,887,131.72 : x
  2. Step 2: Convert to fraction form
    20,054,489/27,675,530.16 = 10,887,131.72/x
  3. Step 3: Cross multiply
    20,054,489x = 27,675,530.16 × 10,887,131.72
  4. Step 4: Simplify right side
    20,054,489x = 301,307,142,272,752.69
  5. Step 5: Solve for x
    x = 301,307,142,272,752.69/20,054,489
  6. Step 6: Final answer
    x = 15,024,423.82

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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.