Home / 38,696,553.86-53,399,643.30-21,055,530.24

Finding the Fourth Proportional to 38,696,553.86, 53,399,643.30 and 21,055,530.24

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Solution

The fourth proportional to 38,696,553.86, 53,399,643.30 and 21,055,530.24 is: 29,055,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,553.86 : 53,399,643.30 = 21,055,530.24 : x
  2. Step 2: Convert to fraction form
    38,696,553.86/53,399,643.30 = 21,055,530.24/x
  3. Step 3: Cross multiply
    38,696,553.86x = 53,399,643.30 × 21,055,530.24
  4. Step 4: Simplify right side
    38,696,553.86x = 1,124,357,804,308,363.25
  5. Step 5: Solve for x
    x = 1,124,357,804,308,363.25/38,696,553.86
  6. Step 6: Final answer
    x = 29,055,760.58

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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.