Home / 40,820,006.30-61,146,028.65-20,636,620.70

Finding the Fourth Proportional to 40,820,006.30, 61,146,028.65 and 20,636,620.70

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Solution

The fourth proportional to 40,820,006.30, 61,146,028.65 and 20,636,620.70 is: 30,912,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820,006.30 : 61,146,028.65 = 20,636,620.70 : x
  2. Step 2: Convert to fraction form
    40,820,006.30/61,146,028.65 = 20,636,620.70/x
  3. Step 3: Cross multiply
    40,820,006.30x = 61,146,028.65 × 20,636,620.70
  4. Step 4: Simplify right side
    40,820,006.30x = 1,261,847,400,561,383
  5. Step 5: Solve for x
    x = 1,261,847,400,561,383/40,820,006.30
  6. Step 6: Final answer
    x = 30,912,474.42

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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.