Home / 13,636,621.28-20,449,614.80-5,112,311.52

Finding the Fourth Proportional to 13,636,621.28, 20,449,614.80 and 5,112,311.52

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Solution

The fourth proportional to 13,636,621.28, 20,449,614.80 and 5,112,311.52 is: 7,666,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636,621.28 : 20,449,614.80 = 5,112,311.52 : x
  2. Step 2: Convert to fraction form
    13,636,621.28/20,449,614.80 = 5,112,311.52/x
  3. Step 3: Cross multiply
    13,636,621.28x = 20,449,614.80 × 5,112,311.52
  4. Step 4: Simplify right side
    13,636,621.28x = 104,544,801,321,602.48
  5. Step 5: Solve for x
    x = 104,544,801,321,602.48/13,636,621.28
  6. Step 6: Final answer
    x = 7,666,473.91

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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.