Home / 10,507,725.38-15,766,139.70-5,644,357.07

Finding the Fourth Proportional to 10,507,725.38, 15,766,139.70 and 5,644,357.07

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Solution

The fourth proportional to 10,507,725.38, 15,766,139.70 and 5,644,357.07 is: 8,468,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,725.38 : 15,766,139.70 = 5,644,357.07 : x
  2. Step 2: Convert to fraction form
    10,507,725.38/15,766,139.70 = 5,644,357.07/x
  3. Step 3: Cross multiply
    10,507,725.38x = 15,766,139.70 × 5,644,357.07
  4. Step 4: Simplify right side
    10,507,725.38x = 88,989,722,003,471.98
  5. Step 5: Solve for x
    x = 88,989,722,003,471.98/10,507,725.38
  6. Step 6: Final answer
    x = 8,468,980.56

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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.