Home / 9,120,896.20-13,672,320.30-4,320,147.40

Finding the Fourth Proportional to 9,120,896.20, 13,672,320.30 and 4,320,147.40

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Solution

The fourth proportional to 9,120,896.20, 13,672,320.30 and 4,320,147.40 is: 6,475,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,896.20 : 13,672,320.30 = 4,320,147.40 : x
  2. Step 2: Convert to fraction form
    9,120,896.20/13,672,320.30 = 4,320,147.40/x
  3. Step 3: Cross multiply
    9,120,896.20x = 13,672,320.30 × 4,320,147.40
  4. Step 4: Simplify right side
    9,120,896.20x = 59,066,438,996,012.23
  5. Step 5: Solve for x
    x = 59,066,438,996,012.23/9,120,896.20
  6. Step 6: Final answer
    x = 6,475,946.85

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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.