Home / 9,264,816.84-12,785,448.47-5,135,114.31

Finding the Fourth Proportional to 9,264,816.84, 12,785,448.47 and 5,135,114.31

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Solution

The fourth proportional to 9,264,816.84, 12,785,448.47 and 5,135,114.31 is: 7,086,458.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264,816.84 : 12,785,448.47 = 5,135,114.31 : x
  2. Step 2: Convert to fraction form
    9,264,816.84/12,785,448.47 = 5,135,114.31/x
  3. Step 3: Cross multiply
    9,264,816.84x = 12,785,448.47 × 5,135,114.31
  4. Step 4: Simplify right side
    9,264,816.84x = 65,654,739,398,064.60
  5. Step 5: Solve for x
    x = 65,654,739,398,064.60/9,264,816.84
  6. Step 6: Final answer
    x = 7,086,458.43

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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.