Home / 9,546,731.68-13,141,215.84-8,320,907.20

Finding the Fourth Proportional to 9,546,731.68, 13,141,215.84 and 8,320,907.20

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Solution

The fourth proportional to 9,546,731.68, 13,141,215.84 and 8,320,907.20 is: 11,453,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,546,731.68 : 13,141,215.84 = 8,320,907.20 : x
  2. Step 2: Convert to fraction form
    9,546,731.68/13,141,215.84 = 8,320,907.20/x
  3. Step 3: Cross multiply
    9,546,731.68x = 13,141,215.84 × 8,320,907.20
  4. Step 4: Simplify right side
    9,546,731.68x = 109,346,837,499,810.05
  5. Step 5: Solve for x
    x = 109,346,837,499,810.05/9,546,731.68
  6. Step 6: Final answer
    x = 11,453,850.51

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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.