Home / 12,753,571.69-19,134,488.67-7,635,201.13

Finding the Fourth Proportional to 12,753,571.69, 19,134,488.67 and 7,635,201.13

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Solution

The fourth proportional to 12,753,571.69, 19,134,488.67 and 7,635,201.13 is: 11,455,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753,571.69 : 19,134,488.67 = 7,635,201.13 : x
  2. Step 2: Convert to fraction form
    12,753,571.69/19,134,488.67 = 7,635,201.13/x
  3. Step 3: Cross multiply
    12,753,571.69x = 19,134,488.67 × 7,635,201.13
  4. Step 4: Simplify right side
    12,753,571.69x = 146,095,669,515,156.22
  5. Step 5: Solve for x
    x = 146,095,669,515,156.22/12,753,571.69
  6. Step 6: Final answer
    x = 11,455,274.89

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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.