Home / 13,285,595.20-19,928,392.80-7,223,231.20

Finding the Fourth Proportional to 13,285,595.20, 19,928,392.80 and 7,223,231.20

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Solution

The fourth proportional to 13,285,595.20, 19,928,392.80 and 7,223,231.20 is: 10,834,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,595.20 : 19,928,392.80 = 7,223,231.20 : x
  2. Step 2: Convert to fraction form
    13,285,595.20/19,928,392.80 = 7,223,231.20/x
  3. Step 3: Cross multiply
    13,285,595.20x = 19,928,392.80 × 7,223,231.20
  4. Step 4: Simplify right side
    13,285,595.20x = 143,947,388,638,815.38
  5. Step 5: Solve for x
    x = 143,947,388,638,815.38/13,285,595.20
  6. Step 6: Final answer
    x = 10,834,846.80

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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.