Home / 12,687,160.12-17,508,297.38-6,885,941.20

Finding the Fourth Proportional to 12,687,160.12, 17,508,297.38 and 6,885,941.20

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Solution

The fourth proportional to 12,687,160.12, 17,508,297.38 and 6,885,941.20 is: 9,502,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,160.12 : 17,508,297.38 = 6,885,941.20 : x
  2. Step 2: Convert to fraction form
    12,687,160.12/17,508,297.38 = 6,885,941.20/x
  3. Step 3: Cross multiply
    12,687,160.12x = 17,508,297.38 × 6,885,941.20
  4. Step 4: Simplify right side
    12,687,160.12x = 120,561,106,270,794.05
  5. Step 5: Solve for x
    x = 120,561,106,270,794.05/12,687,160.12
  6. Step 6: Final answer
    x = 9,502,607.76

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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.