Home / 21,523,807.80-32,285,711.70-13,909,548.60

Finding the Fourth Proportional to 21,523,807.80, 32,285,711.70 and 13,909,548.60

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Solution

The fourth proportional to 21,523,807.80, 32,285,711.70 and 13,909,548.60 is: 20,864,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,807.80 : 32,285,711.70 = 13,909,548.60 : x
  2. Step 2: Convert to fraction form
    21,523,807.80/32,285,711.70 = 13,909,548.60/x
  3. Step 3: Cross multiply
    21,523,807.80x = 32,285,711.70 × 13,909,548.60
  4. Step 4: Simplify right side
    21,523,807.80x = 449,079,675,976,738.62
  5. Step 5: Solve for x
    x = 449,079,675,976,738.62/21,523,807.80
  6. Step 6: Final answer
    x = 20,864,322.90

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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.