Home / 12,117,160.98-16,721,729.10-6,610,659.48

Finding the Fourth Proportional to 12,117,160.98, 16,721,729.10 and 6,610,659.48

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Solution

The fourth proportional to 12,117,160.98, 16,721,729.10 and 6,610,659.48 is: 9,122,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,160.98 : 16,721,729.10 = 6,610,659.48 : x
  2. Step 2: Convert to fraction form
    12,117,160.98/16,721,729.10 = 6,610,659.48/x
  3. Step 3: Cross multiply
    12,117,160.98x = 16,721,729.10 × 6,610,659.48
  4. Step 4: Simplify right side
    12,117,160.98x = 110,541,656,996,906.88
  5. Step 5: Solve for x
    x = 110,541,656,996,906.88/12,117,160.98
  6. Step 6: Final answer
    x = 9,122,735.70

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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.