Home / 7,240,042.60-10,861,521.90-2,122,462.60

Finding the Fourth Proportional to 7,240,042.60, 10,861,521.90 and 2,122,462.60

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Solution

The fourth proportional to 7,240,042.60, 10,861,521.90 and 2,122,462.60 is: 3,184,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,042.60 : 10,861,521.90 = 2,122,462.60 : x
  2. Step 2: Convert to fraction form
    7,240,042.60/10,861,521.90 = 2,122,462.60/x
  3. Step 3: Cross multiply
    7,240,042.60x = 10,861,521.90 × 2,122,462.60
  4. Step 4: Simplify right side
    7,240,042.60x = 23,053,174,011,830.94
  5. Step 5: Solve for x
    x = 23,053,174,011,830.94/7,240,042.60
  6. Step 6: Final answer
    x = 3,184,121.32

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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.