Home / 39,111,060.46-53,972,210.40-21,469,974.88

Finding the Fourth Proportional to 39,111,060.46, 53,972,210.40 and 21,469,974.88

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Solution

The fourth proportional to 39,111,060.46, 53,972,210.40 and 21,469,974.88 is: 29,627,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111,060.46 : 53,972,210.40 = 21,469,974.88 : x
  2. Step 2: Convert to fraction form
    39,111,060.46/53,972,210.40 = 21,469,974.88/x
  3. Step 3: Cross multiply
    39,111,060.46x = 53,972,210.40 × 21,469,974.88
  4. Step 4: Simplify right side
    39,111,060.46x = 1,158,782,001,506,074.75
  5. Step 5: Solve for x
    x = 1,158,782,001,506,074.75/39,111,060.46
  6. Step 6: Final answer
    x = 29,627,987.27

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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.