Home / 20,860,343.70-31,290,515.55-13,676,048.70

Finding the Fourth Proportional to 20,860,343.70, 31,290,515.55 and 13,676,048.70

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Solution

The fourth proportional to 20,860,343.70, 31,290,515.55 and 13,676,048.70 is: 20,514,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,343.70 : 31,290,515.55 = 13,676,048.70 : x
  2. Step 2: Convert to fraction form
    20,860,343.70/31,290,515.55 = 13,676,048.70/x
  3. Step 3: Cross multiply
    20,860,343.70x = 31,290,515.55 × 13,676,048.70
  4. Step 4: Simplify right side
    20,860,343.70x = 427,930,614,509,907.25
  5. Step 5: Solve for x
    x = 427,930,614,509,907.25/20,860,343.70
  6. Step 6: Final answer
    x = 20,514,073.05

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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.