Home / 12,687,109.14-17,507,765.34-6,885,774.12

Finding the Fourth Proportional to 12,687,109.14, 17,507,765.34 and 6,885,774.12

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Solution

The fourth proportional to 12,687,109.14, 17,507,765.34 and 6,885,774.12 is: 9,502,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,109.14 : 17,507,765.34 = 6,885,774.12 : x
  2. Step 2: Convert to fraction form
    12,687,109.14/17,507,765.34 = 6,885,774.12/x
  3. Step 3: Cross multiply
    12,687,109.14x = 17,507,765.34 × 6,885,774.12
  4. Step 4: Simplify right side
    12,687,109.14x = 120,554,517,477,205
  5. Step 5: Solve for x
    x = 120,554,517,477,205/12,687,109.14
  6. Step 6: Final answer
    x = 9,502,126.62

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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.