Home / 18,759,049.96-27,980,855.81-17,036,918.68

Finding the Fourth Proportional to 18,759,049.96, 27,980,855.81 and 17,036,918.68

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Solution

The fourth proportional to 18,759,049.96, 27,980,855.81 and 17,036,918.68 is: 25,412,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,049.96 : 27,980,855.81 = 17,036,918.68 : x
  2. Step 2: Convert to fraction form
    18,759,049.96/27,980,855.81 = 17,036,918.68/x
  3. Step 3: Cross multiply
    18,759,049.96x = 27,980,855.81 × 17,036,918.68
  4. Step 4: Simplify right side
    18,759,049.96x = 476,707,565,031,775.50
  5. Step 5: Solve for x
    x = 476,707,565,031,775.50/18,759,049.96
  6. Step 6: Final answer
    x = 25,412,137.93

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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.