Home / 26,316,103.80-39,474,155.70-12,879,175.80

Finding the Fourth Proportional to 26,316,103.80, 39,474,155.70 and 12,879,175.80

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Solution

The fourth proportional to 26,316,103.80, 39,474,155.70 and 12,879,175.80 is: 19,318,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316,103.80 : 39,474,155.70 = 12,879,175.80 : x
  2. Step 2: Convert to fraction form
    26,316,103.80/39,474,155.70 = 12,879,175.80/x
  3. Step 3: Cross multiply
    26,316,103.80x = 39,474,155.70 × 12,879,175.80
  4. Step 4: Simplify right side
    26,316,103.80x = 508,394,590,816,872.12
  5. Step 5: Solve for x
    x = 508,394,590,816,872.12/26,316,103.80
  6. Step 6: Final answer
    x = 19,318,763.70

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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.