Home / 18,889,553.80-28,397,316.30-16,118,187.40

Finding the Fourth Proportional to 18,889,553.80, 28,397,316.30 and 16,118,187.40

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Solution

The fourth proportional to 18,889,553.80, 28,397,316.30 and 16,118,187.40 is: 24,231,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,553.80 : 28,397,316.30 = 16,118,187.40 : x
  2. Step 2: Convert to fraction form
    18,889,553.80/28,397,316.30 = 16,118,187.40/x
  3. Step 3: Cross multiply
    18,889,553.80x = 28,397,316.30 × 16,118,187.40
  4. Step 4: Simplify right side
    18,889,553.80x = 457,713,265,780,474.62
  5. Step 5: Solve for x
    x = 457,713,265,780,474.62/18,889,553.80
  6. Step 6: Final answer
    x = 24,231,025.82

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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.