Home / 20,604,500.80-30,905,368.80-5,458,107.20

Finding the Fourth Proportional to 20,604,500.80, 30,905,368.80 and 5,458,107.20

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Solution

The fourth proportional to 20,604,500.80, 30,905,368.80 and 5,458,107.20 is: 8,186,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,500.80 : 30,905,368.80 = 5,458,107.20 : x
  2. Step 2: Convert to fraction form
    20,604,500.80/30,905,368.80 = 5,458,107.20/x
  3. Step 3: Cross multiply
    20,604,500.80x = 30,905,368.80 × 5,458,107.20
  4. Step 4: Simplify right side
    20,604,500.80x = 168,684,815,965,935.38
  5. Step 5: Solve for x
    x = 168,684,815,965,935.38/20,604,500.80
  6. Step 6: Final answer
    x = 8,186,794.60

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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.