Home / 15,986,300.72-22,061,079.45-8,644,116.29

Finding the Fourth Proportional to 15,986,300.72, 22,061,079.45 and 8,644,116.29

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Solution

The fourth proportional to 15,986,300.72, 22,061,079.45 and 8,644,116.29 is: 11,928,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,300.72 : 22,061,079.45 = 8,644,116.29 : x
  2. Step 2: Convert to fraction form
    15,986,300.72/22,061,079.45 = 8,644,116.29/x
  3. Step 3: Cross multiply
    15,986,300.72x = 22,061,079.45 × 8,644,116.29
  4. Step 4: Simplify right side
    15,986,300.72x = 190,698,536,138,423.84
  5. Step 5: Solve for x
    x = 190,698,536,138,423.84/15,986,300.72
  6. Step 6: Final answer
    x = 11,928,872.07

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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.