Home / 10,221,408.20-15,332,112.30-7,670,491.40

Finding the Fourth Proportional to 10,221,408.20, 15,332,112.30 and 7,670,491.40

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Solution

The fourth proportional to 10,221,408.20, 15,332,112.30 and 7,670,491.40 is: 11,505,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,408.20 : 15,332,112.30 = 7,670,491.40 : x
  2. Step 2: Convert to fraction form
    10,221,408.20/15,332,112.30 = 7,670,491.40/x
  3. Step 3: Cross multiply
    10,221,408.20x = 15,332,112.30 × 7,670,491.40
  4. Step 4: Simplify right side
    10,221,408.20x = 117,604,835,540,984.23
  5. Step 5: Solve for x
    x = 117,604,835,540,984.23/10,221,408.20
  6. Step 6: Final answer
    x = 11,505,737.10

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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.