Home / 38,583,480.24-53,242,277.40-21,177,059.76

Finding the Fourth Proportional to 38,583,480.24, 53,242,277.40 and 21,177,059.76

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Solution

The fourth proportional to 38,583,480.24, 53,242,277.40 and 21,177,059.76 is: 29,222,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583,480.24 : 53,242,277.40 = 21,177,059.76 : x
  2. Step 2: Convert to fraction form
    38,583,480.24/53,242,277.40 = 21,177,059.76/x
  3. Step 3: Cross multiply
    38,583,480.24x = 53,242,277.40 × 21,177,059.76
  4. Step 4: Simplify right side
    38,583,480.24x = 1,127,514,890,258,297.50
  5. Step 5: Solve for x
    x = 1,127,514,890,258,297.50/38,583,480.24
  6. Step 6: Final answer
    x = 29,222,736.86

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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.