Home / 12,376,152.34-17,078,825.60-6,869,206.15

Finding the Fourth Proportional to 12,376,152.34, 17,078,825.60 and 6,869,206.15

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Solution

The fourth proportional to 12,376,152.34, 17,078,825.60 and 6,869,206.15 is: 9,479,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,152.34 : 17,078,825.60 = 6,869,206.15 : x
  2. Step 2: Convert to fraction form
    12,376,152.34/17,078,825.60 = 6,869,206.15/x
  3. Step 3: Cross multiply
    12,376,152.34x = 17,078,825.60 × 6,869,206.15
  4. Step 4: Simplify right side
    12,376,152.34x = 117,317,973,795,013.86
  5. Step 5: Solve for x
    x = 117,317,973,795,013.86/12,376,152.34
  6. Step 6: Final answer
    x = 9,479,357.61

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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.