Home / 13,835,387.70-20,761,168.59-9,993,421.62

Finding the Fourth Proportional to 13,835,387.70, 20,761,168.59 and 9,993,421.62

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Solution

The fourth proportional to 13,835,387.70, 20,761,168.59 and 9,993,421.62 is: 14,995,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,387.70 : 20,761,168.59 = 9,993,421.62 : x
  2. Step 2: Convert to fraction form
    13,835,387.70/20,761,168.59 = 9,993,421.62/x
  3. Step 3: Cross multiply
    13,835,387.70x = 20,761,168.59 × 9,993,421.62
  4. Step 4: Simplify right side
    13,835,387.70x = 207,475,111,043,770.91
  5. Step 5: Solve for x
    x = 207,475,111,043,770.91/13,835,387.70
  6. Step 6: Final answer
    x = 14,995,973.77

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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.