Home / 29,145,474.05-40,222,392.24-15,915,881.25

Finding the Fourth Proportional to 29,145,474.05, 40,222,392.24 and 15,915,881.25

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Solution

The fourth proportional to 29,145,474.05, 40,222,392.24 and 15,915,881.25 is: 21,964,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,474.05 : 40,222,392.24 = 15,915,881.25 : x
  2. Step 2: Convert to fraction form
    29,145,474.05/40,222,392.24 = 15,915,881.25/x
  3. Step 3: Cross multiply
    29,145,474.05x = 40,222,392.24 × 15,915,881.25
  4. Step 4: Simplify right side
    29,145,474.05x = 640,174,818,482,761.50
  5. Step 5: Solve for x
    x = 640,174,818,482,761.50/29,145,474.05
  6. Step 6: Final answer
    x = 21,964,810.64

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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.