Home / 12,686,923-17,507,971.06-6,885,704.84

Finding the Fourth Proportional to 12,686,923, 17,507,971.06 and 6,885,704.84

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Solution

The fourth proportional to 12,686,923, 17,507,971.06 and 6,885,704.84 is: 9,502,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,923 : 17,507,971.06 = 6,885,704.84 : x
  2. Step 2: Convert to fraction form
    12,686,923/17,507,971.06 = 6,885,704.84/x
  3. Step 3: Cross multiply
    12,686,923x = 17,507,971.06 × 6,885,704.84
  4. Step 4: Simplify right side
    12,686,923x = 120,554,721,066,421.92
  5. Step 5: Solve for x
    x = 120,554,721,066,421.92/12,686,923
  6. Step 6: Final answer
    x = 9,502,282.08

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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.