Home / 7,428,482.16-11,145,215.92-2,879,679.30

Finding the Fourth Proportional to 7,428,482.16, 11,145,215.92 and 2,879,679.30

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Solution

The fourth proportional to 7,428,482.16, 11,145,215.92 and 2,879,679.30 is: 4,320,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,482.16 : 11,145,215.92 = 2,879,679.30 : x
  2. Step 2: Convert to fraction form
    7,428,482.16/11,145,215.92 = 2,879,679.30/x
  3. Step 3: Cross multiply
    7,428,482.16x = 11,145,215.92 × 2,879,679.30
  4. Step 4: Simplify right side
    7,428,482.16x = 32,094,647,599,518.30
  5. Step 5: Solve for x
    x = 32,094,647,599,518.30/7,428,482.16
  6. Step 6: Final answer
    x = 4,320,485.25

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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.