Home / 12,661,607.10-17,472,993.12-6,860,545.86

Finding the Fourth Proportional to 12,661,607.10, 17,472,993.12 and 6,860,545.86

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Solution

The fourth proportional to 12,661,607.10, 17,472,993.12 and 6,860,545.86 is: 9,467,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,607.10 : 17,472,993.12 = 6,860,545.86 : x
  2. Step 2: Convert to fraction form
    12,661,607.10/17,472,993.12 = 6,860,545.86/x
  3. Step 3: Cross multiply
    12,661,607.10x = 17,472,993.12 × 6,860,545.86
  4. Step 4: Simplify right side
    12,661,607.10x = 119,874,270,611,224.50
  5. Step 5: Solve for x
    x = 119,874,270,611,224.50/12,661,607.10
  6. Step 6: Final answer
    x = 9,467,539.92

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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.