Home / 27,280,873.80-37,641,985.83-15,676,195.28

Finding the Fourth Proportional to 27,280,873.80, 37,641,985.83 and 15,676,195.28

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Solution

The fourth proportional to 27,280,873.80, 37,641,985.83 and 15,676,195.28 is: 21,629,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280,873.80 : 37,641,985.83 = 15,676,195.28 : x
  2. Step 2: Convert to fraction form
    27,280,873.80/37,641,985.83 = 15,676,195.28/x
  3. Step 3: Cross multiply
    27,280,873.80x = 37,641,985.83 × 15,676,195.28
  4. Step 4: Simplify right side
    27,280,873.80x = 590,083,120,409,863
  5. Step 5: Solve for x
    x = 590,083,120,409,863/27,280,873.80
  6. Step 6: Final answer
    x = 21,629,920.09

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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.