Home / 20,493,757.40-30,740,636.10-5,347,688.90

Finding the Fourth Proportional to 20,493,757.40, 30,740,636.10 and 5,347,688.90

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Solution

The fourth proportional to 20,493,757.40, 30,740,636.10 and 5,347,688.90 is: 8,021,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,757.40 : 30,740,636.10 = 5,347,688.90 : x
  2. Step 2: Convert to fraction form
    20,493,757.40/30,740,636.10 = 5,347,688.90/x
  3. Step 3: Cross multiply
    20,493,757.40x = 30,740,636.10 × 5,347,688.90
  4. Step 4: Simplify right side
    20,493,757.40x = 164,391,358,450,909.31
  5. Step 5: Solve for x
    x = 164,391,358,450,909.31/20,493,757.40
  6. Step 6: Final answer
    x = 8,021,533.35

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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.