Home / 12,672,443.20-19,008,664.80-6,700,475.20

Finding the Fourth Proportional to 12,672,443.20, 19,008,664.80 and 6,700,475.20

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Solution

The fourth proportional to 12,672,443.20, 19,008,664.80 and 6,700,475.20 is: 10,050,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,443.20 : 19,008,664.80 = 6,700,475.20 : x
  2. Step 2: Convert to fraction form
    12,672,443.20/19,008,664.80 = 6,700,475.20/x
  3. Step 3: Cross multiply
    12,672,443.20x = 19,008,664.80 × 6,700,475.20
  4. Step 4: Simplify right side
    12,672,443.20x = 127,367,087,077,512.97
  5. Step 5: Solve for x
    x = 127,367,087,077,512.97/12,672,443.20
  6. Step 6: Final answer
    x = 10,050,712.80

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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.