Home / 38,648,866.74-53,336,098.59-21,245,945.46

Finding the Fourth Proportional to 38,648,866.74, 53,336,098.59 and 21,245,945.46

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Solution

The fourth proportional to 38,648,866.74, 53,336,098.59 and 21,245,945.46 is: 29,319,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648,866.74 : 53,336,098.59 = 21,245,945.46 : x
  2. Step 2: Convert to fraction form
    38,648,866.74/53,336,098.59 = 21,245,945.46/x
  3. Step 3: Cross multiply
    38,648,866.74x = 53,336,098.59 × 21,245,945.46
  4. Step 4: Simplify right side
    38,648,866.74x = 1,133,175,841,692,323
  5. Step 5: Solve for x
    x = 1,133,175,841,692,323/38,648,866.74
  6. Step 6: Final answer
    x = 29,319,768.92

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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.