Home / 38,721,574.95-53,433,745.08-21,314,520.24

Finding the Fourth Proportional to 38,721,574.95, 53,433,745.08 and 21,314,520.24

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Solution

The fourth proportional to 38,721,574.95, 53,433,745.08 and 21,314,520.24 is: 29,412,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721,574.95 : 53,433,745.08 = 21,314,520.24 : x
  2. Step 2: Convert to fraction form
    38,721,574.95/53,433,745.08 = 21,314,520.24/x
  3. Step 3: Cross multiply
    38,721,574.95x = 53,433,745.08 × 21,314,520.24
  4. Step 4: Simplify right side
    38,721,574.95x = 1,138,914,641,006,660.25
  5. Step 5: Solve for x
    x = 1,138,914,641,006,660.25/38,721,574.95
  6. Step 6: Final answer
    x = 29,412,921.41

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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.