Home / 7,006,869.77-9,669,466.92-3,909,208.82

Finding the Fourth Proportional to 7,006,869.77, 9,669,466.92 and 3,909,208.82

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Solution

The fourth proportional to 7,006,869.77, 9,669,466.92 and 3,909,208.82 is: 5,394,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,869.77 : 9,669,466.92 = 3,909,208.82 : x
  2. Step 2: Convert to fraction form
    7,006,869.77/9,669,466.92 = 3,909,208.82/x
  3. Step 3: Cross multiply
    7,006,869.77x = 9,669,466.92 × 3,909,208.82
  4. Step 4: Simplify right side
    7,006,869.77x = 37,799,965,368,362.23
  5. Step 5: Solve for x
    x = 37,799,965,368,362.23/7,006,869.77
  6. Step 6: Final answer
    x = 5,394,700.72

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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.