Home / 13,285,597.20-19,928,395.80-7,223,233.20

Finding the Fourth Proportional to 13,285,597.20, 19,928,395.80 and 7,223,233.20

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Solution

The fourth proportional to 13,285,597.20, 19,928,395.80 and 7,223,233.20 is: 10,834,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,597.20 : 19,928,395.80 = 7,223,233.20 : x
  2. Step 2: Convert to fraction form
    13,285,597.20/19,928,395.80 = 7,223,233.20/x
  3. Step 3: Cross multiply
    13,285,597.20x = 19,928,395.80 × 7,223,233.20
  4. Step 4: Simplify right side
    13,285,597.20x = 143,947,450,165,300.56
  5. Step 5: Solve for x
    x = 143,947,450,165,300.56/13,285,597.20
  6. Step 6: Final answer
    x = 10,834,849.80

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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.