Home / 38,721,699.95-53,433,917.33-21,314,645.24

Finding the Fourth Proportional to 38,721,699.95, 53,433,917.33 and 21,314,645.24

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Solution

The fourth proportional to 38,721,699.95, 53,433,917.33 and 21,314,645.24 is: 29,413,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721,699.95 : 53,433,917.33 = 21,314,645.24 : x
  2. Step 2: Convert to fraction form
    38,721,699.95/53,433,917.33 = 21,314,645.24/x
  3. Step 3: Cross multiply
    38,721,699.95x = 53,433,917.33 × 21,314,645.24
  4. Step 4: Simplify right side
    38,721,699.95x = 1,138,924,991,298,695.25
  5. Step 5: Solve for x
    x = 1,138,924,991,298,695.25/38,721,699.95
  6. Step 6: Final answer
    x = 29,413,093.77

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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.