Home / 10,939,807.44-15,106,617.72-6,816,875.28

Finding the Fourth Proportional to 10,939,807.44, 15,106,617.72 and 6,816,875.28

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Solution

The fourth proportional to 10,939,807.44, 15,106,617.72 and 6,816,875.28 is: 9,413,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,807.44 : 15,106,617.72 = 6,816,875.28 : x
  2. Step 2: Convert to fraction form
    10,939,807.44/15,106,617.72 = 6,816,875.28/x
  3. Step 3: Cross multiply
    10,939,807.44x = 15,106,617.72 × 6,816,875.28
  4. Step 4: Simplify right side
    10,939,807.44x = 102,979,928,899,877.97
  5. Step 5: Solve for x
    x = 102,979,928,899,877.97/10,939,807.44
  6. Step 6: Final answer
    x = 9,413,321.89

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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.