Home / 19,729,569.69-29,386,311.78-18,844,346.97

Finding the Fourth Proportional to 19,729,569.69, 29,386,311.78 and 18,844,346.97

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Solution

The fourth proportional to 19,729,569.69, 29,386,311.78 and 18,844,346.97 is: 28,067,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,569.69 : 29,386,311.78 = 18,844,346.97 : x
  2. Step 2: Convert to fraction form
    19,729,569.69/29,386,311.78 = 18,844,346.97/x
  3. Step 3: Cross multiply
    19,729,569.69x = 29,386,311.78 × 18,844,346.97
  4. Step 4: Simplify right side
    19,729,569.69x = 553,765,855,350,918.31
  5. Step 5: Solve for x
    x = 553,765,855,350,918.31/19,729,569.69
  6. Step 6: Final answer
    x = 28,067,812.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.