Home / 11,691,490.40-17,518,573.20-9,787,925.60

Finding the Fourth Proportional to 11,691,490.40, 17,518,573.20 and 9,787,925.60

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Solution

The fourth proportional to 11,691,490.40, 17,518,573.20 and 9,787,925.60 is: 14,666,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691,490.40 : 17,518,573.20 = 9,787,925.60 : x
  2. Step 2: Convert to fraction form
    11,691,490.40/17,518,573.20 = 9,787,925.60/x
  3. Step 3: Cross multiply
    11,691,490.40x = 17,518,573.20 × 9,787,925.60
  4. Step 4: Simplify right side
    11,691,490.40x = 171,470,491,099,753.91
  5. Step 5: Solve for x
    x = 171,470,491,099,753.91/11,691,490.40
  6. Step 6: Final answer
    x = 14,666,264.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.