Home / 37,130,065.66-55,695,021.94-20,948,671.36

Finding the Fourth Proportional to 37,130,065.66, 55,695,021.94 and 20,948,671.36

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Solution

The fourth proportional to 37,130,065.66, 55,695,021.94 and 20,948,671.36 is: 31,422,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130,065.66 : 55,695,021.94 = 20,948,671.36 : x
  2. Step 2: Convert to fraction form
    37,130,065.66/55,695,021.94 = 20,948,671.36/x
  3. Step 3: Cross multiply
    37,130,065.66x = 55,695,021.94 × 20,948,671.36
  4. Step 4: Simplify right side
    37,130,065.66x = 1,166,736,711,009,049.50
  5. Step 5: Solve for x
    x = 1,166,736,711,009,049.50/37,130,065.66
  6. Step 6: Final answer
    x = 31,422,963.85

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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.