Home / 11,969,417.67-16,517,814.84-6,812,779.22

Finding the Fourth Proportional to 11,969,417.67, 16,517,814.84 and 6,812,779.22

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Solution

The fourth proportional to 11,969,417.67, 16,517,814.84 and 6,812,779.22 is: 9,401,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,417.67 : 16,517,814.84 = 6,812,779.22 : x
  2. Step 2: Convert to fraction form
    11,969,417.67/16,517,814.84 = 6,812,779.22/x
  3. Step 3: Cross multiply
    11,969,417.67x = 16,517,814.84 × 6,812,779.22
  4. Step 4: Simplify right side
    11,969,417.67x = 112,532,225,681,112.36
  5. Step 5: Solve for x
    x = 112,532,225,681,112.36/11,969,417.67
  6. Step 6: Final answer
    x = 9,401,645.82

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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.