Home / 20,118,543.70-30,177,815.55-7,339,465.30

Finding the Fourth Proportional to 20,118,543.70, 30,177,815.55 and 7,339,465.30

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Solution

The fourth proportional to 20,118,543.70, 30,177,815.55 and 7,339,465.30 is: 11,009,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,543.70 : 30,177,815.55 = 7,339,465.30 : x
  2. Step 2: Convert to fraction form
    20,118,543.70/30,177,815.55 = 7,339,465.30/x
  3. Step 3: Cross multiply
    20,118,543.70x = 30,177,815.55 × 7,339,465.30
  4. Step 4: Simplify right side
    20,118,543.70x = 221,489,030,059,025.41
  5. Step 5: Solve for x
    x = 221,489,030,059,025.41/20,118,543.70
  6. Step 6: Final answer
    x = 11,009,197.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.