Home / 12,649,019.20-17,455,649.22-6,847,848.61

Finding the Fourth Proportional to 12,649,019.20, 17,455,649.22 and 6,847,848.61

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Solution

The fourth proportional to 12,649,019.20, 17,455,649.22 and 6,847,848.61 is: 9,450,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649,019.20 : 17,455,649.22 = 6,847,848.61 : x
  2. Step 2: Convert to fraction form
    12,649,019.20/17,455,649.22 = 6,847,848.61/x
  3. Step 3: Cross multiply
    12,649,019.20x = 17,455,649.22 × 6,847,848.61
  4. Step 4: Simplify right side
    12,649,019.20x = 119,533,643,160,546.34
  5. Step 5: Solve for x
    x = 119,533,643,160,546.34/12,649,019.20
  6. Step 6: Final answer
    x = 9,450,032.55

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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.