Home / 29,036,978.61-40,071,540.09-15,806,535.92

Finding the Fourth Proportional to 29,036,978.61, 40,071,540.09 and 15,806,535.92

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Solution

The fourth proportional to 29,036,978.61, 40,071,540.09 and 15,806,535.92 is: 21,813,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036,978.61 : 40,071,540.09 = 15,806,535.92 : x
  2. Step 2: Convert to fraction form
    29,036,978.61/40,071,540.09 = 15,806,535.92/x
  3. Step 3: Cross multiply
    29,036,978.61x = 40,071,540.09 × 15,806,535.92
  4. Step 4: Simplify right side
    29,036,978.61x = 633,392,237,522,914.62
  5. Step 5: Solve for x
    x = 633,392,237,522,914.62/29,036,978.61
  6. Step 6: Final answer
    x = 21,813,296.97

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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.