Home / 21,914,670.40-32,872,005.60-21,284,814.40

Finding the Fourth Proportional to 21,914,670.40, 32,872,005.60 and 21,284,814.40

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Solution

The fourth proportional to 21,914,670.40, 32,872,005.60 and 21,284,814.40 is: 31,927,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914,670.40 : 32,872,005.60 = 21,284,814.40 : x
  2. Step 2: Convert to fraction form
    21,914,670.40/32,872,005.60 = 21,284,814.40/x
  3. Step 3: Cross multiply
    21,914,670.40x = 32,872,005.60 × 21,284,814.40
  4. Step 4: Simplify right side
    21,914,670.40x = 699,674,538,151,760.62
  5. Step 5: Solve for x
    x = 699,674,538,151,760.62/21,914,670.40
  6. Step 6: Final answer
    x = 31,927,221.60

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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.