Home / 9,918,634.35-13,686,475.94-5,507,760.28

Finding the Fourth Proportional to 9,918,634.35, 13,686,475.94 and 5,507,760.28

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Solution

The fourth proportional to 9,918,634.35, 13,686,475.94 and 5,507,760.28 is: 7,600,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,634.35 : 13,686,475.94 = 5,507,760.28 : x
  2. Step 2: Convert to fraction form
    9,918,634.35/13,686,475.94 = 5,507,760.28/x
  3. Step 3: Cross multiply
    9,918,634.35x = 13,686,475.94 × 5,507,760.28
  4. Step 4: Simplify right side
    9,918,634.35x = 75,381,828,555,507.66
  5. Step 5: Solve for x
    x = 75,381,828,555,507.66/9,918,634.35
  6. Step 6: Final answer
    x = 7,600,020.92

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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.