Home / 21,085,872.56-29,098,572.40-11,793,602

Finding the Fourth Proportional to 21,085,872.56, 29,098,572.40 and 11,793,602

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Solution

The fourth proportional to 21,085,872.56, 29,098,572.40 and 11,793,602 is: 16,275,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,872.56 : 29,098,572.40 = 11,793,602 : x
  2. Step 2: Convert to fraction form
    21,085,872.56/29,098,572.40 = 11,793,602/x
  3. Step 3: Cross multiply
    21,085,872.56x = 29,098,572.40 × 11,793,602
  4. Step 4: Simplify right side
    21,085,872.56x = 343,176,981,653,784.81
  5. Step 5: Solve for x
    x = 343,176,981,653,784.81/21,085,872.56
  6. Step 6: Final answer
    x = 16,275,208.94

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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.