Home / 13,016,702.55-17,961,842.30-7,214,990.61

Finding the Fourth Proportional to 13,016,702.55, 17,961,842.30 and 7,214,990.61

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Solution

The fourth proportional to 13,016,702.55, 17,961,842.30 and 7,214,990.61 is: 9,956,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016,702.55 : 17,961,842.30 = 7,214,990.61 : x
  2. Step 2: Convert to fraction form
    13,016,702.55/17,961,842.30 = 7,214,990.61/x
  3. Step 3: Cross multiply
    13,016,702.55x = 17,961,842.30 × 7,214,990.61
  4. Step 4: Simplify right side
    13,016,702.55x = 129,594,523,496,725.88
  5. Step 5: Solve for x
    x = 129,594,523,496,725.88/13,016,702.55
  6. Step 6: Final answer
    x = 9,956,017.89

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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.