Home / 13,120,833.28-19,664,074.68-7,048,467.40

Finding the Fourth Proportional to 13,120,833.28, 19,664,074.68 and 7,048,467.40

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Solution

The fourth proportional to 13,120,833.28, 19,664,074.68 and 7,048,467.40 is: 10,563,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,833.28 : 19,664,074.68 = 7,048,467.40 : x
  2. Step 2: Convert to fraction form
    13,120,833.28/19,664,074.68 = 7,048,467.40/x
  3. Step 3: Cross multiply
    13,120,833.28x = 19,664,074.68 × 7,048,467.40
  4. Step 4: Simplify right side
    13,120,833.28x = 138,601,589,333,145.44
  5. Step 5: Solve for x
    x = 138,601,589,333,145.44/13,120,833.28
  6. Step 6: Final answer
    x = 10,563,474.62

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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.