Home / 20,442,804.40-30,664,206.60-19,183,092.40

Finding the Fourth Proportional to 20,442,804.40, 30,664,206.60 and 19,183,092.40

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Solution

The fourth proportional to 20,442,804.40, 30,664,206.60 and 19,183,092.40 is: 28,774,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,804.40 : 30,664,206.60 = 19,183,092.40 : x
  2. Step 2: Convert to fraction form
    20,442,804.40/30,664,206.60 = 19,183,092.40/x
  3. Step 3: Cross multiply
    20,442,804.40x = 30,664,206.60 × 19,183,092.40
  4. Step 4: Simplify right side
    20,442,804.40x = 588,234,308,580,489.88
  5. Step 5: Solve for x
    x = 588,234,308,580,489.88/20,442,804.40
  6. Step 6: Final answer
    x = 28,774,638.60

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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.