Home / 20,100,873.80-30,225,960.30-16,816,291.40

Finding the Fourth Proportional to 20,100,873.80, 30,225,960.30 and 16,816,291.40

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Solution

The fourth proportional to 20,100,873.80, 30,225,960.30 and 16,816,291.40 is: 25,286,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,873.80 : 30,225,960.30 = 16,816,291.40 : x
  2. Step 2: Convert to fraction form
    20,100,873.80/30,225,960.30 = 16,816,291.40/x
  3. Step 3: Cross multiply
    20,100,873.80x = 30,225,960.30 × 16,816,291.40
  4. Step 4: Simplify right side
    20,100,873.80x = 508,288,556,249,631.38
  5. Step 5: Solve for x
    x = 508,288,556,249,631.38/20,100,873.80
  6. Step 6: Final answer
    x = 25,286,888.59

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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.