Home / 12,405,270.45-17,117,962.97-6,897,756.86

Finding the Fourth Proportional to 12,405,270.45, 17,117,962.97 and 6,897,756.86

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Solution

The fourth proportional to 12,405,270.45, 17,117,962.97 and 6,897,756.86 is: 9,518,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,270.45 : 17,117,962.97 = 6,897,756.86 : x
  2. Step 2: Convert to fraction form
    12,405,270.45/17,117,962.97 = 6,897,756.86/x
  3. Step 3: Cross multiply
    12,405,270.45x = 17,117,962.97 × 6,897,756.86
  4. Step 4: Simplify right side
    12,405,270.45x = 118,075,546,385,464.88
  5. Step 5: Solve for x
    x = 118,075,546,385,464.88/12,405,270.45
  6. Step 6: Final answer
    x = 9,518,175.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.