Home / 15,339,195.88-21,168,533.38-8,464,120.68

Finding the Fourth Proportional to 15,339,195.88, 21,168,533.38 and 8,464,120.68

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Solution

The fourth proportional to 15,339,195.88, 21,168,533.38 and 8,464,120.68 is: 11,680,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,195.88 : 21,168,533.38 = 8,464,120.68 : x
  2. Step 2: Convert to fraction form
    15,339,195.88/21,168,533.38 = 8,464,120.68/x
  3. Step 3: Cross multiply
    15,339,195.88x = 21,168,533.38 × 8,464,120.68
  4. Step 4: Simplify right side
    15,339,195.88x = 179,173,021,146,928.28
  5. Step 5: Solve for x
    x = 179,173,021,146,928.28/15,339,195.88
  6. Step 6: Final answer
    x = 11,680,731.02

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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.