Home / 8,510,807.78-11,744,901.34-4,643,329.28

Finding the Fourth Proportional to 8,510,807.78, 11,744,901.34 and 4,643,329.28

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Solution

The fourth proportional to 8,510,807.78, 11,744,901.34 and 4,643,329.28 is: 6,407,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,807.78 : 11,744,901.34 = 4,643,329.28 : x
  2. Step 2: Convert to fraction form
    8,510,807.78/11,744,901.34 = 4,643,329.28/x
  3. Step 3: Cross multiply
    8,510,807.78x = 11,744,901.34 × 4,643,329.28
  4. Step 4: Simplify right side
    8,510,807.78x = 54,535,444,259,516.59
  5. Step 5: Solve for x
    x = 54,535,444,259,516.59/8,510,807.78
  6. Step 6: Final answer
    x = 6,407,787.10

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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.