Home / 38,961,876.44-53,767,452.48-21,558,955.16

Finding the Fourth Proportional to 38,961,876.44, 53,767,452.48 and 21,558,955.16

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Solution

The fourth proportional to 38,961,876.44, 53,767,452.48 and 21,558,955.16 is: 29,751,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961,876.44 : 53,767,452.48 = 21,558,955.16 : x
  2. Step 2: Convert to fraction form
    38,961,876.44/53,767,452.48 = 21,558,955.16/x
  3. Step 3: Cross multiply
    38,961,876.44x = 53,767,452.48 × 21,558,955.16
  4. Step 4: Simplify right side
    38,961,876.44x = 1,159,170,097,137,323.50
  5. Step 5: Solve for x
    x = 1,159,170,097,137,323.50/38,961,876.44
  6. Step 6: Final answer
    x = 29,751,392.98

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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.