Home / 13,356,041.25-20,028,954.88-7,287,529.39

Finding the Fourth Proportional to 13,356,041.25, 20,028,954.88 and 7,287,529.39

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Solution

The fourth proportional to 13,356,041.25, 20,028,954.88 and 7,287,529.39 is: 10,928,507.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,041.25 : 20,028,954.88 = 7,287,529.39 : x
  2. Step 2: Convert to fraction form
    13,356,041.25/20,028,954.88 = 7,287,529.39/x
  3. Step 3: Cross multiply
    13,356,041.25x = 20,028,954.88 × 7,287,529.39
  4. Step 4: Simplify right side
    13,356,041.25x = 145,961,597,338,983.91
  5. Step 5: Solve for x
    x = 145,961,597,338,983.91/13,356,041.25
  6. Step 6: Final answer
    x = 10,928,507.53

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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.