Home / 27,579,284.90-38,056,596.68-16,980,991.78

Finding the Fourth Proportional to 27,579,284.90, 38,056,596.68 and 16,980,991.78

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Solution

The fourth proportional to 27,579,284.90, 38,056,596.68 and 16,980,991.78 is: 23,432,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,284.90 : 38,056,596.68 = 16,980,991.78 : x
  2. Step 2: Convert to fraction form
    27,579,284.90/38,056,596.68 = 16,980,991.78/x
  3. Step 3: Cross multiply
    27,579,284.90x = 38,056,596.68 × 16,980,991.78
  4. Step 4: Simplify right side
    27,579,284.90x = 646,238,755,397,855.38
  5. Step 5: Solve for x
    x = 646,238,755,397,855.38/27,579,284.90
  6. Step 6: Final answer
    x = 23,432,034.50

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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.