Home / 20,784,671.90-31,177,007.85-9,447,263.90

Finding the Fourth Proportional to 20,784,671.90, 31,177,007.85 and 9,447,263.90

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Solution

The fourth proportional to 20,784,671.90, 31,177,007.85 and 9,447,263.90 is: 14,170,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,671.90 : 31,177,007.85 = 9,447,263.90 : x
  2. Step 2: Convert to fraction form
    20,784,671.90/31,177,007.85 = 9,447,263.90/x
  3. Step 3: Cross multiply
    20,784,671.90x = 31,177,007.85 × 9,447,263.90
  4. Step 4: Simplify right side
    20,784,671.90x = 294,537,420,771,321.62
  5. Step 5: Solve for x
    x = 294,537,420,771,321.62/20,784,671.90
  6. Step 6: Final answer
    x = 14,170,895.85

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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.