Home / 37,843,889.40-56,779,007.78-11,940,190.20

Finding the Fourth Proportional to 37,843,889.40, 56,779,007.78 and 11,940,190.20

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Solution

The fourth proportional to 37,843,889.40, 56,779,007.78 and 11,940,190.20 is: 17,914,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,843,889.40 : 56,779,007.78 = 11,940,190.20 : x
  2. Step 2: Convert to fraction form
    37,843,889.40/56,779,007.78 = 11,940,190.20/x
  3. Step 3: Cross multiply
    37,843,889.40x = 56,779,007.78 × 11,940,190.20
  4. Step 4: Simplify right side
    37,843,889.40x = 677,952,152,260,479.75
  5. Step 5: Solve for x
    x = 677,952,152,260,479.75/37,843,889.40
  6. Step 6: Final answer
    x = 17,914,441.75

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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.