Home / 38,669,554.80-53,362,764.18-21,265,846.20

Finding the Fourth Proportional to 38,669,554.80, 53,362,764.18 and 21,265,846.20

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Solution

The fourth proportional to 38,669,554.80, 53,362,764.18 and 21,265,846.20 is: 29,346,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669,554.80 : 53,362,764.18 = 21,265,846.20 : x
  2. Step 2: Convert to fraction form
    38,669,554.80/53,362,764.18 = 21,265,846.20/x
  3. Step 3: Cross multiply
    38,669,554.80x = 53,362,764.18 × 21,265,846.20
  4. Step 4: Simplify right side
    38,669,554.80x = 1,134,804,335,858,749
  5. Step 5: Solve for x
    x = 1,134,804,335,858,749/38,669,554.80
  6. Step 6: Final answer
    x = 29,346,196.04

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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.