Home / 7,707,335.36-10,611,856.80-6,543,479.60

Finding the Fourth Proportional to 7,707,335.36, 10,611,856.80 and 6,543,479.60

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Solution

The fourth proportional to 7,707,335.36, 10,611,856.80 and 6,543,479.60 is: 9,009,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707,335.36 : 10,611,856.80 = 6,543,479.60 : x
  2. Step 2: Convert to fraction form
    7,707,335.36/10,611,856.80 = 6,543,479.60/x
  3. Step 3: Cross multiply
    7,707,335.36x = 10,611,856.80 × 6,543,479.60
  4. Step 4: Simplify right side
    7,707,335.36x = 69,438,468,488,921.28
  5. Step 5: Solve for x
    x = 69,438,468,488,921.28/7,707,335.36
  6. Step 6: Final answer
    x = 9,009,400.17

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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.