Home / 21,698,382.54-29,945,605.86-11,910,484.74

Finding the Fourth Proportional to 21,698,382.54, 29,945,605.86 and 11,910,484.74

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Solution

The fourth proportional to 21,698,382.54, 29,945,605.86 and 11,910,484.74 is: 16,437,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698,382.54 : 29,945,605.86 = 11,910,484.74 : x
  2. Step 2: Convert to fraction form
    21,698,382.54/29,945,605.86 = 11,910,484.74/x
  3. Step 3: Cross multiply
    21,698,382.54x = 29,945,605.86 × 11,910,484.74
  4. Step 4: Simplify right side
    21,698,382.54x = 356,666,681,625,584.56
  5. Step 5: Solve for x
    x = 356,666,681,625,584.56/21,698,382.54
  6. Step 6: Final answer
    x = 16,437,477.82

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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.