Home / 12,670,239.40-19,005,359.10-4,150,853.80

Finding the Fourth Proportional to 12,670,239.40, 19,005,359.10 and 4,150,853.80

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Solution

The fourth proportional to 12,670,239.40, 19,005,359.10 and 4,150,853.80 is: 6,226,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670,239.40 : 19,005,359.10 = 4,150,853.80 : x
  2. Step 2: Convert to fraction form
    12,670,239.40/19,005,359.10 = 4,150,853.80/x
  3. Step 3: Cross multiply
    12,670,239.40x = 19,005,359.10 × 4,150,853.80
  4. Step 4: Simplify right side
    12,670,239.40x = 78,888,467,040,599.58
  5. Step 5: Solve for x
    x = 78,888,467,040,599.58/12,670,239.40
  6. Step 6: Final answer
    x = 6,226,280.70

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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.