Home / 20,761,056.20-31,141,584.30-9,246,501.20

Finding the Fourth Proportional to 20,761,056.20, 31,141,584.30 and 9,246,501.20

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Solution

The fourth proportional to 20,761,056.20, 31,141,584.30 and 9,246,501.20 is: 13,869,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761,056.20 : 31,141,584.30 = 9,246,501.20 : x
  2. Step 2: Convert to fraction form
    20,761,056.20/31,141,584.30 = 9,246,501.20/x
  3. Step 3: Cross multiply
    20,761,056.20x = 31,141,584.30 × 9,246,501.20
  4. Step 4: Simplify right side
    20,761,056.20x = 287,950,696,599,851.12
  5. Step 5: Solve for x
    x = 287,950,696,599,851.12/20,761,056.20
  6. Step 6: Final answer
    x = 13,869,751.80

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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.