Home / 13,031,138.40-19,584,032.40-11,388,847.20

Finding the Fourth Proportional to 13,031,138.40, 19,584,032.40 and 11,388,847.20

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Solution

The fourth proportional to 13,031,138.40, 19,584,032.40 and 11,388,847.20 is: 17,115,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,138.40 : 19,584,032.40 = 11,388,847.20 : x
  2. Step 2: Convert to fraction form
    13,031,138.40/19,584,032.40 = 11,388,847.20/x
  3. Step 3: Cross multiply
    13,031,138.40x = 19,584,032.40 × 11,388,847.20
  4. Step 4: Simplify right side
    13,031,138.40x = 223,039,552,563,449.25
  5. Step 5: Solve for x
    x = 223,039,552,563,449.25/13,031,138.40
  6. Step 6: Final answer
    x = 17,115,891.62

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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.