Home / 40,820,013.30-61,146,039.15-20,636,627.70

Finding the Fourth Proportional to 40,820,013.30, 61,146,039.15 and 20,636,627.70

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Solution

The fourth proportional to 40,820,013.30, 61,146,039.15 and 20,636,627.70 is: 30,912,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820,013.30 : 61,146,039.15 = 20,636,627.70 : x
  2. Step 2: Convert to fraction form
    40,820,013.30/61,146,039.15 = 20,636,627.70/x
  3. Step 3: Cross multiply
    40,820,013.30x = 61,146,039.15 × 20,636,627.70
  4. Step 4: Simplify right side
    40,820,013.30x = 1,261,848,045,268,174.50
  5. Step 5: Solve for x
    x = 1,261,848,045,268,174.50/40,820,013.30
  6. Step 6: Final answer
    x = 30,912,484.91

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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.