Home / 39,591,014.40-59,386,521.60-20,219,989.96

Finding the Fourth Proportional to 39,591,014.40, 59,386,521.60 and 20,219,989.96

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Solution

The fourth proportional to 39,591,014.40, 59,386,521.60 and 20,219,989.96 is: 30,329,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591,014.40 : 59,386,521.60 = 20,219,989.96 : x
  2. Step 2: Convert to fraction form
    39,591,014.40/59,386,521.60 = 20,219,989.96/x
  3. Step 3: Cross multiply
    39,591,014.40x = 59,386,521.60 × 20,219,989.96
  4. Step 4: Simplify right side
    39,591,014.40x = 1,200,794,870,511,323.25
  5. Step 5: Solve for x
    x = 1,200,794,870,511,323.25/39,591,014.40
  6. Step 6: Final answer
    x = 30,329,984.94

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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.