Home / 22,725,738.38-31,360,612.89-12,802,389.91

Finding the Fourth Proportional to 22,725,738.38, 31,360,612.89 and 12,802,389.91

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Solution

The fourth proportional to 22,725,738.38, 31,360,612.89 and 12,802,389.91 is: 17,666,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725,738.38 : 31,360,612.89 = 12,802,389.91 : x
  2. Step 2: Convert to fraction form
    22,725,738.38/31,360,612.89 = 12,802,389.91/x
  3. Step 3: Cross multiply
    22,725,738.38x = 31,360,612.89 × 12,802,389.91
  4. Step 4: Simplify right side
    22,725,738.38x = 401,490,794,003,959.38
  5. Step 5: Solve for x
    x = 401,490,794,003,959.38/22,725,738.38
  6. Step 6: Final answer
    x = 17,666,787.64

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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.