Home / 40,943,944.80-61,415,917.20-19,420,584.30

Finding the Fourth Proportional to 40,943,944.80, 61,415,917.20 and 19,420,584.30

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Solution

The fourth proportional to 40,943,944.80, 61,415,917.20 and 19,420,584.30 is: 29,130,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,944.80 : 61,415,917.20 = 19,420,584.30 : x
  2. Step 2: Convert to fraction form
    40,943,944.80/61,415,917.20 = 19,420,584.30/x
  3. Step 3: Cross multiply
    40,943,944.80x = 61,415,917.20 × 19,420,584.30
  4. Step 4: Simplify right side
    40,943,944.80x = 1,192,732,997,344,420
  5. Step 5: Solve for x
    x = 1,192,732,997,344,420/40,943,944.80
  6. Step 6: Final answer
    x = 29,130,876.45

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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.