Home / 19,749,082.80-27,242,756.28-11,488,215.60

Finding the Fourth Proportional to 19,749,082.80, 27,242,756.28 and 11,488,215.60

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Solution

The fourth proportional to 19,749,082.80, 27,242,756.28 and 11,488,215.60 is: 15,847,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749,082.80 : 27,242,756.28 = 11,488,215.60 : x
  2. Step 2: Convert to fraction form
    19,749,082.80/27,242,756.28 = 11,488,215.60/x
  3. Step 3: Cross multiply
    19,749,082.80x = 27,242,756.28 × 11,488,215.60
  4. Step 4: Simplify right side
    19,749,082.80x = 312,970,657,682,894
  5. Step 5: Solve for x
    x = 312,970,657,682,894/19,749,082.80
  6. Step 6: Final answer
    x = 15,847,351.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.