Home / 13,319,274.32-18,380,598.59-7,207,702.82

Finding the Fourth Proportional to 13,319,274.32, 18,380,598.59 and 7,207,702.82

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Solution

The fourth proportional to 13,319,274.32, 18,380,598.59 and 7,207,702.82 is: 9,946,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,274.32 : 18,380,598.59 = 7,207,702.82 : x
  2. Step 2: Convert to fraction form
    13,319,274.32/18,380,598.59 = 7,207,702.82/x
  3. Step 3: Cross multiply
    13,319,274.32x = 18,380,598.59 × 7,207,702.82
  4. Step 4: Simplify right side
    13,319,274.32x = 132,481,892,162,489.53
  5. Step 5: Solve for x
    x = 132,481,892,162,489.53/13,319,274.32
  6. Step 6: Final answer
    x = 9,946,629.90

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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.