Home / 40,706,976.60-61,010,439.90-18,817,747

Finding the Fourth Proportional to 40,706,976.60, 61,010,439.90 and 18,817,747

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Solution

The fourth proportional to 40,706,976.60, 61,010,439.90 and 18,817,747 is: 28,203,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,976.60 : 61,010,439.90 = 18,817,747 : x
  2. Step 2: Convert to fraction form
    40,706,976.60/61,010,439.90 = 18,817,747/x
  3. Step 3: Cross multiply
    40,706,976.60x = 61,010,439.90 × 18,817,747
  4. Step 4: Simplify right side
    40,706,976.60x = 1,148,079,022,396,905.25
  5. Step 5: Solve for x
    x = 1,148,079,022,396,905.25/40,706,976.60
  6. Step 6: Final answer
    x = 28,203,495.28

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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.