Home / 27,280,871.18-37,641,982.22-15,676,192.64

Finding the Fourth Proportional to 27,280,871.18, 37,641,982.22 and 15,676,192.64

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Solution

The fourth proportional to 27,280,871.18, 37,641,982.22 and 15,676,192.64 is: 21,629,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280,871.18 : 37,641,982.22 = 15,676,192.64 : x
  2. Step 2: Convert to fraction form
    27,280,871.18/37,641,982.22 = 15,676,192.64/x
  3. Step 3: Cross multiply
    27,280,871.18x = 37,641,982.22 × 15,676,192.64
  4. Step 4: Simplify right side
    27,280,871.18x = 590,082,964,765,470.25
  5. Step 5: Solve for x
    x = 590,082,964,765,470.25/27,280,871.18
  6. Step 6: Final answer
    x = 21,629,916.47

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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.