Home / 7,135,541.30-9,847,119.22-3,872,384.21

Finding the Fourth Proportional to 7,135,541.30, 9,847,119.22 and 3,872,384.21

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Solution

The fourth proportional to 7,135,541.30, 9,847,119.22 and 3,872,384.21 is: 5,343,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,541.30 : 9,847,119.22 = 3,872,384.21 : x
  2. Step 2: Convert to fraction form
    7,135,541.30/9,847,119.22 = 3,872,384.21/x
  3. Step 3: Cross multiply
    7,135,541.30x = 9,847,119.22 × 3,872,384.21
  4. Step 4: Simplify right side
    7,135,541.30x = 38,131,829,018,234.52
  5. Step 5: Solve for x
    x = 38,131,829,018,234.52/7,135,541.30
  6. Step 6: Final answer
    x = 5,343,929.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.