Home / 11,116,881.80-15,329,114.36-7,242,217.64

Finding the Fourth Proportional to 11,116,881.80, 15,329,114.36 and 7,242,217.64

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Solution

The fourth proportional to 11,116,881.80, 15,329,114.36 and 7,242,217.64 is: 9,986,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116,881.80 : 15,329,114.36 = 7,242,217.64 : x
  2. Step 2: Convert to fraction form
    11,116,881.80/15,329,114.36 = 7,242,217.64/x
  3. Step 3: Cross multiply
    11,116,881.80x = 15,329,114.36 × 7,242,217.64
  4. Step 4: Simplify right side
    11,116,881.80x = 111,016,782,423,569.30
  5. Step 5: Solve for x
    x = 111,016,782,423,569.30/11,116,881.80
  6. Step 6: Final answer
    x = 9,986,323.90

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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.