Home / 22,514,901.42-31,006,123.66-21,111,941.84

Finding the Fourth Proportional to 22,514,901.42, 31,006,123.66 and 21,111,941.84

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Solution

The fourth proportional to 22,514,901.42, 31,006,123.66 and 21,111,941.84 is: 29,074,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514,901.42 : 31,006,123.66 = 21,111,941.84 : x
  2. Step 2: Convert to fraction form
    22,514,901.42/31,006,123.66 = 21,111,941.84/x
  3. Step 3: Cross multiply
    22,514,901.42x = 31,006,123.66 × 21,111,941.84
  4. Step 4: Simplify right side
    22,514,901.42x = 654,599,479,393,767.88
  5. Step 5: Solve for x
    x = 654,599,479,393,767.88/22,514,901.42
  6. Step 6: Final answer
    x = 29,074,054.88

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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.