Home / 12,696,642.18-17,521,469.15-6,895,465.44

Finding the Fourth Proportional to 12,696,642.18, 17,521,469.15 and 6,895,465.44

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Solution

The fourth proportional to 12,696,642.18, 17,521,469.15 and 6,895,465.44 is: 9,515,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,642.18 : 17,521,469.15 = 6,895,465.44 : x
  2. Step 2: Convert to fraction form
    12,696,642.18/17,521,469.15 = 6,895,465.44/x
  3. Step 3: Cross multiply
    12,696,642.18x = 17,521,469.15 × 6,895,465.44
  4. Step 4: Simplify right side
    12,696,642.18x = 120,818,684,947,373.86
  5. Step 5: Solve for x
    x = 120,818,684,947,373.86/12,696,642.18
  6. Step 6: Final answer
    x = 9,515,798.21

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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.