Home / 9,134,864.05-13,705,355.03-2,987,129.25

Finding the Fourth Proportional to 9,134,864.05, 13,705,355.03 and 2,987,129.25

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Solution

The fourth proportional to 9,134,864.05, 13,705,355.03 and 2,987,129.25 is: 4,481,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,864.05 : 13,705,355.03 = 2,987,129.25 : x
  2. Step 2: Convert to fraction form
    9,134,864.05/13,705,355.03 = 2,987,129.25/x
  3. Step 3: Cross multiply
    9,134,864.05x = 13,705,355.03 × 2,987,129.25
  4. Step 4: Simplify right side
    9,134,864.05x = 40,939,666,900,284.36
  5. Step 5: Solve for x
    x = 40,939,666,900,284.36/9,134,864.05
  6. Step 6: Final answer
    x = 4,481,694.16

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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.