Home / 18,750,681.69-28,266,562.75-17,500,757.43

Finding the Fourth Proportional to 18,750,681.69, 28,266,562.75 and 17,500,757.43

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Solution

The fourth proportional to 18,750,681.69, 28,266,562.75 and 17,500,757.43 is: 26,382,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,681.69 : 28,266,562.75 = 17,500,757.43 : x
  2. Step 2: Convert to fraction form
    18,750,681.69/28,266,562.75 = 17,500,757.43/x
  3. Step 3: Cross multiply
    18,750,681.69x = 28,266,562.75 × 17,500,757.43
  4. Step 4: Simplify right side
    18,750,681.69x = 494,686,258,067,623.75
  5. Step 5: Solve for x
    x = 494,686,258,067,623.75/18,750,681.69
  6. Step 6: Final answer
    x = 26,382,307.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.