Home / 12,292,682.60-18,453,020.70-7,246,836.20

Finding the Fourth Proportional to 12,292,682.60, 18,453,020.70 and 7,246,836.20

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Solution

The fourth proportional to 12,292,682.60, 18,453,020.70 and 7,246,836.20 is: 10,878,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,682.60 : 18,453,020.70 = 7,246,836.20 : x
  2. Step 2: Convert to fraction form
    12,292,682.60/18,453,020.70 = 7,246,836.20/x
  3. Step 3: Cross multiply
    12,292,682.60x = 18,453,020.70 × 7,246,836.20
  4. Step 4: Simplify right side
    12,292,682.60x = 133,726,018,408,109.34
  5. Step 5: Solve for x
    x = 133,726,018,408,109.34/12,292,682.60
  6. Step 6: Final answer
    x = 10,878,505.75

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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.