Home / 13,354,969.80-20,032,454.70-8,316,121.80

Finding the Fourth Proportional to 13,354,969.80, 20,032,454.70 and 8,316,121.80

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Solution

The fourth proportional to 13,354,969.80, 20,032,454.70 and 8,316,121.80 is: 12,474,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354,969.80 : 20,032,454.70 = 8,316,121.80 : x
  2. Step 2: Convert to fraction form
    13,354,969.80/20,032,454.70 = 8,316,121.80/x
  3. Step 3: Cross multiply
    13,354,969.80x = 20,032,454.70 × 8,316,121.80
  4. Step 4: Simplify right side
    13,354,969.80x = 166,592,333,238,182.44
  5. Step 5: Solve for x
    x = 166,592,333,238,182.44/13,354,969.80
  6. Step 6: Final answer
    x = 12,474,182.70

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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.