Home / 7,807,919.08-11,658,731.45-6,889,447.24

Finding the Fourth Proportional to 7,807,919.08, 11,658,731.45 and 6,889,447.24

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Solution

The fourth proportional to 7,807,919.08, 11,658,731.45 and 6,889,447.24 is: 10,287,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807,919.08 : 11,658,731.45 = 6,889,447.24 : x
  2. Step 2: Convert to fraction form
    7,807,919.08/11,658,731.45 = 6,889,447.24/x
  3. Step 3: Cross multiply
    7,807,919.08x = 11,658,731.45 × 6,889,447.24
  4. Step 4: Simplify right side
    7,807,919.08x = 80,322,215,210,103.70
  5. Step 5: Solve for x
    x = 80,322,215,210,103.70/7,807,919.08
  6. Step 6: Final answer
    x = 10,287,275.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.