Home / 20,763,005.40-31,144,508.10-10,559,338.20

Finding the Fourth Proportional to 20,763,005.40, 31,144,508.10 and 10,559,338.20

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Solution

The fourth proportional to 20,763,005.40, 31,144,508.10 and 10,559,338.20 is: 15,839,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,005.40 : 31,144,508.10 = 10,559,338.20 : x
  2. Step 2: Convert to fraction form
    20,763,005.40/31,144,508.10 = 10,559,338.20/x
  3. Step 3: Cross multiply
    20,763,005.40x = 31,144,508.10 × 10,559,338.20
  4. Step 4: Simplify right side
    20,763,005.40x = 328,865,394,100,539.44
  5. Step 5: Solve for x
    x = 328,865,394,100,539.44/20,763,005.40
  6. Step 6: Final answer
    x = 15,839,007.30

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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.