Home / 9,521,237.88-13,139,415.18-5,170,375.80

Finding the Fourth Proportional to 9,521,237.88, 13,139,415.18 and 5,170,375.80

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Solution

The fourth proportional to 9,521,237.88, 13,139,415.18 and 5,170,375.80 is: 7,135,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,237.88 : 13,139,415.18 = 5,170,375.80 : x
  2. Step 2: Convert to fraction form
    9,521,237.88/13,139,415.18 = 5,170,375.80/x
  3. Step 3: Cross multiply
    9,521,237.88x = 13,139,415.18 × 5,170,375.80
  4. Step 4: Simplify right side
    9,521,237.88x = 67,935,714,272,824.64
  5. Step 5: Solve for x
    x = 67,935,714,272,824.64/9,521,237.88
  6. Step 6: Final answer
    x = 7,135,176.66

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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.