Home / 15,907,279.80-23,860,919.70-8,740,918.20

Finding the Fourth Proportional to 15,907,279.80, 23,860,919.70 and 8,740,918.20

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Solution

The fourth proportional to 15,907,279.80, 23,860,919.70 and 8,740,918.20 is: 13,111,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,279.80 : 23,860,919.70 = 8,740,918.20 : x
  2. Step 2: Convert to fraction form
    15,907,279.80/23,860,919.70 = 8,740,918.20/x
  3. Step 3: Cross multiply
    15,907,279.80x = 23,860,919.70 × 8,740,918.20
  4. Step 4: Simplify right side
    15,907,279.80x = 208,566,347,274,468.53
  5. Step 5: Solve for x
    x = 208,566,347,274,468.53/15,907,279.80
  6. Step 6: Final answer
    x = 13,111,377.30

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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.