Home / 7,119,685.20-10,709,834.16-6,453,796.56

Finding the Fourth Proportional to 7,119,685.20, 10,709,834.16 and 6,453,796.56

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Solution

The fourth proportional to 7,119,685.20, 10,709,834.16 and 6,453,796.56 is: 9,708,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,685.20 : 10,709,834.16 = 6,453,796.56 : x
  2. Step 2: Convert to fraction form
    7,119,685.20/10,709,834.16 = 6,453,796.56/x
  3. Step 3: Cross multiply
    7,119,685.20x = 10,709,834.16 × 6,453,796.56
  4. Step 4: Simplify right side
    7,119,685.20x = 69,119,090,859,978.48
  5. Step 5: Solve for x
    x = 69,119,090,859,978.48/7,119,685.20
  6. Step 6: Final answer
    x = 9,708,166.71

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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.