Home / 38,654,199.45-53,342,829.54-21,250,840.77

Finding the Fourth Proportional to 38,654,199.45, 53,342,829.54 and 21,250,840.77

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Solution

The fourth proportional to 38,654,199.45, 53,342,829.54 and 21,250,840.77 is: 29,326,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654,199.45 : 53,342,829.54 = 21,250,840.77 : x
  2. Step 2: Convert to fraction form
    38,654,199.45/53,342,829.54 = 21,250,840.77/x
  3. Step 3: Cross multiply
    38,654,199.45x = 53,342,829.54 × 21,250,840.77
  4. Step 4: Simplify right side
    38,654,199.45x = 1,133,579,976,775,792.25
  5. Step 5: Solve for x
    x = 1,133,579,976,775,792.25/38,654,199.45
  6. Step 6: Final answer
    x = 29,326,179.12

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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.