Home / 10,972,791.88-16,453,187.70-8,712,833.56

Finding the Fourth Proportional to 10,972,791.88, 16,453,187.70 and 8,712,833.56

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Solution

The fourth proportional to 10,972,791.88, 16,453,187.70 and 8,712,833.56 is: 13,064,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,791.88 : 16,453,187.70 = 8,712,833.56 : x
  2. Step 2: Convert to fraction form
    10,972,791.88/16,453,187.70 = 8,712,833.56/x
  3. Step 3: Cross multiply
    10,972,791.88x = 16,453,187.70 × 8,712,833.56
  4. Step 4: Simplify right side
    10,972,791.88x = 143,353,885,961,539.22
  5. Step 5: Solve for x
    x = 143,353,885,961,539.22/10,972,791.88
  6. Step 6: Final answer
    x = 13,064,486.01

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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.