Home / 12,696,639.55-17,521,465.52-6,895,462.82

Finding the Fourth Proportional to 12,696,639.55, 17,521,465.52 and 6,895,462.82

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Solution

The fourth proportional to 12,696,639.55, 17,521,465.52 and 6,895,462.82 is: 9,515,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,639.55 : 17,521,465.52 = 6,895,462.82 : x
  2. Step 2: Convert to fraction form
    12,696,639.55/17,521,465.52 = 6,895,462.82/x
  3. Step 3: Cross multiply
    12,696,639.55x = 17,521,465.52 × 6,895,462.82
  4. Step 4: Simplify right side
    12,696,639.55x = 120,818,613,974,703.31
  5. Step 5: Solve for x
    x = 120,818,613,974,703.31/12,696,639.55
  6. Step 6: Final answer
    x = 9,515,794.59

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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.