Home / 12,687,065.06-17,508,317.74-6,885,916.34

Finding the Fourth Proportional to 12,687,065.06, 17,508,317.74 and 6,885,916.34

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Solution

The fourth proportional to 12,687,065.06, 17,508,317.74 and 6,885,916.34 is: 9,502,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,065.06 : 17,508,317.74 = 6,885,916.34 : x
  2. Step 2: Convert to fraction form
    12,687,065.06/17,508,317.74 = 6,885,916.34/x
  3. Step 3: Cross multiply
    12,687,065.06x = 17,508,317.74 × 6,885,916.34
  4. Step 4: Simplify right side
    12,687,065.06x = 120,560,811,107,021.50
  5. Step 5: Solve for x
    x = 120,560,811,107,021.50/12,687,065.06
  6. Step 6: Final answer
    x = 9,502,655.70

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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.