Home / 18,711,210.40-28,066,815.60-16,397,072.80

Finding the Fourth Proportional to 18,711,210.40, 28,066,815.60 and 16,397,072.80

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Solution

The fourth proportional to 18,711,210.40, 28,066,815.60 and 16,397,072.80 is: 24,595,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,210.40 : 28,066,815.60 = 16,397,072.80 : x
  2. Step 2: Convert to fraction form
    18,711,210.40/28,066,815.60 = 16,397,072.80/x
  3. Step 3: Cross multiply
    18,711,210.40x = 28,066,815.60 × 16,397,072.80
  4. Step 4: Simplify right side
    18,711,210.40x = 460,213,618,657,375.75
  5. Step 5: Solve for x
    x = 460,213,618,657,375.75/18,711,210.40
  6. Step 6: Final answer
    x = 24,595,609.20

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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.