Home / 38,961,878.01-53,767,454.63-21,558,956.73

Finding the Fourth Proportional to 38,961,878.01, 53,767,454.63 and 21,558,956.73

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Solution

The fourth proportional to 38,961,878.01, 53,767,454.63 and 21,558,956.73 is: 29,751,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961,878.01 : 53,767,454.63 = 21,558,956.73 : x
  2. Step 2: Convert to fraction form
    38,961,878.01/53,767,454.63 = 21,558,956.73/x
  3. Step 3: Cross multiply
    38,961,878.01x = 53,767,454.63 × 21,558,956.73
  4. Step 4: Simplify right side
    38,961,878.01x = 1,159,170,227,850,408.25
  5. Step 5: Solve for x
    x = 1,159,170,227,850,408.25/38,961,878.01
  6. Step 6: Final answer
    x = 29,751,395.13

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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.