Home / 12,117,197.45-16,721,786.72-6,610,555.62

Finding the Fourth Proportional to 12,117,197.45, 16,721,786.72 and 6,610,555.62

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Solution

The fourth proportional to 12,117,197.45, 16,721,786.72 and 6,610,555.62 is: 9,122,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,197.45 : 16,721,786.72 = 6,610,555.62 : x
  2. Step 2: Convert to fraction form
    12,117,197.45/16,721,786.72 = 6,610,555.62/x
  3. Step 3: Cross multiply
    12,117,197.45x = 16,721,786.72 × 6,610,555.62
  4. Step 4: Simplify right side
    12,117,197.45x = 110,540,301,145,284.59
  5. Step 5: Solve for x
    x = 110,540,301,145,284.59/12,117,197.45
  6. Step 6: Final answer
    x = 9,122,596.34

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1.5x scale

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.