Home / 12,687,110.14-17,507,766.72-6,885,775.12

Finding the Fourth Proportional to 12,687,110.14, 17,507,766.72 and 6,885,775.12

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Solution

The fourth proportional to 12,687,110.14, 17,507,766.72 and 6,885,775.12 is: 9,502,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,110.14 : 17,507,766.72 = 6,885,775.12 : x
  2. Step 2: Convert to fraction form
    12,687,110.14/17,507,766.72 = 6,885,775.12/x
  3. Step 3: Cross multiply
    12,687,110.14x = 17,507,766.72 × 6,885,775.12
  4. Step 4: Simplify right side
    12,687,110.14x = 120,554,544,487,340
  5. Step 5: Solve for x
    x = 120,554,544,487,340/12,687,110.14
  6. Step 6: Final answer
    x = 9,502,128.00

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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.