Home / 13,333,849.14-18,400,712.40-7,222,277.64

Finding the Fourth Proportional to 13,333,849.14, 18,400,712.40 and 7,222,277.64

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Solution

The fourth proportional to 13,333,849.14, 18,400,712.40 and 7,222,277.64 is: 9,966,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,849.14 : 18,400,712.40 = 7,222,277.64 : x
  2. Step 2: Convert to fraction form
    13,333,849.14/18,400,712.40 = 7,222,277.64/x
  3. Step 3: Cross multiply
    13,333,849.14x = 18,400,712.40 × 7,222,277.64
  4. Step 4: Simplify right side
    13,333,849.14x = 132,895,053,726,590.72
  5. Step 5: Solve for x
    x = 132,895,053,726,590.72/13,333,849.14
  6. Step 6: Final answer
    x = 9,966,743.46

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1.5x scale

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.