Home / 21,546,007.80-32,336,637.30-21,378,046.20

Finding the Fourth Proportional to 21,546,007.80, 32,336,637.30 and 21,378,046.20

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Solution

The fourth proportional to 21,546,007.80, 32,336,637.30 and 21,378,046.20 is: 32,084,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,007.80 : 32,336,637.30 = 21,378,046.20 : x
  2. Step 2: Convert to fraction form
    21,546,007.80/32,336,637.30 = 21,378,046.20/x
  3. Step 3: Cross multiply
    21,546,007.80x = 32,336,637.30 × 21,378,046.20
  4. Step 4: Simplify right side
    21,546,007.80x = 691,294,126,152,043.25
  5. Step 5: Solve for x
    x = 691,294,126,152,043.25/21,546,007.80
  6. Step 6: Final answer
    x = 32,084,557.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.