Home / 10,890,040.40-16,335,060.60-7,082,910.80

Finding the Fourth Proportional to 10,890,040.40, 16,335,060.60 and 7,082,910.80

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Solution

The fourth proportional to 10,890,040.40, 16,335,060.60 and 7,082,910.80 is: 10,624,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,040.40 : 16,335,060.60 = 7,082,910.80 : x
  2. Step 2: Convert to fraction form
    10,890,040.40/16,335,060.60 = 7,082,910.80/x
  3. Step 3: Cross multiply
    10,890,040.40x = 16,335,060.60 × 7,082,910.80
  4. Step 4: Simplify right side
    10,890,040.40x = 115,699,777,142,394.47
  5. Step 5: Solve for x
    x = 115,699,777,142,394.47/10,890,040.40
  6. Step 6: Final answer
    x = 10,624,366.20

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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.