Home / 20,100,863.80-30,225,945.30-16,816,281.40

Finding the Fourth Proportional to 20,100,863.80, 30,225,945.30 and 16,816,281.40

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Solution

The fourth proportional to 20,100,863.80, 30,225,945.30 and 16,816,281.40 is: 25,286,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,863.80 : 30,225,945.30 = 16,816,281.40 : x
  2. Step 2: Convert to fraction form
    20,100,863.80/30,225,945.30 = 16,816,281.40/x
  3. Step 3: Cross multiply
    20,100,863.80x = 30,225,945.30 × 16,816,281.40
  4. Step 4: Simplify right side
    20,100,863.80x = 508,288,001,745,807.38
  5. Step 5: Solve for x
    x = 508,288,001,745,807.38/20,100,863.80
  6. Step 6: Final answer
    x = 25,286,873.58

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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.