Home / 7,427,643.20-11,141,464.80-2,108,859.20

Finding the Fourth Proportional to 7,427,643.20, 11,141,464.80 and 2,108,859.20

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Solution

The fourth proportional to 7,427,643.20, 11,141,464.80 and 2,108,859.20 is: 3,163,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,643.20 : 11,141,464.80 = 2,108,859.20 : x
  2. Step 2: Convert to fraction form
    7,427,643.20/11,141,464.80 = 2,108,859.20/x
  3. Step 3: Cross multiply
    7,427,643.20x = 11,141,464.80 × 2,108,859.20
  4. Step 4: Simplify right side
    7,427,643.20x = 23,495,780,544,956.16
  5. Step 5: Solve for x
    x = 23,495,780,544,956.16/7,427,643.20
  6. Step 6: Final answer
    x = 3,163,288.80

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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.