Home / 15,376,224.32-21,218,277.60-8,500,296.32

Finding the Fourth Proportional to 15,376,224.32, 21,218,277.60 and 8,500,296.32

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Solution

The fourth proportional to 15,376,224.32, 21,218,277.60 and 8,500,296.32 is: 11,729,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,224.32 : 21,218,277.60 = 8,500,296.32 : x
  2. Step 2: Convert to fraction form
    15,376,224.32/21,218,277.60 = 8,500,296.32/x
  3. Step 3: Cross multiply
    15,376,224.32x = 21,218,277.60 × 8,500,296.32
  4. Step 4: Simplify right side
    15,376,224.32x = 180,361,647,000,018.44
  5. Step 5: Solve for x
    x = 180,361,647,000,018.44/15,376,224.32
  6. Step 6: Final answer
    x = 11,729,904.77

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1.5x scale

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.