Home / 38,961,877.57-53,767,454.03-21,558,956.29

Finding the Fourth Proportional to 38,961,877.57, 53,767,454.03 and 21,558,956.29

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Solution

The fourth proportional to 38,961,877.57, 53,767,454.03 and 21,558,956.29 is: 29,751,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961,877.57 : 53,767,454.03 = 21,558,956.29 : x
  2. Step 2: Convert to fraction form
    38,961,877.57/53,767,454.03 = 21,558,956.29/x
  3. Step 3: Cross multiply
    38,961,877.57x = 53,767,454.03 × 21,558,956.29
  4. Step 4: Simplify right side
    38,961,877.57x = 1,159,170,191,176,833.25
  5. Step 5: Solve for x
    x = 1,159,170,191,176,833.25/38,961,877.57
  6. Step 6: Final answer
    x = 29,751,394.53

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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.