Home / 10,369,019.37-15,555,535.63-3,978,774.87

Finding the Fourth Proportional to 10,369,019.37, 15,555,535.63 and 3,978,774.87

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Solution

The fourth proportional to 10,369,019.37, 15,555,535.63 and 3,978,774.87 is: 5,968,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,019.37 : 15,555,535.63 = 3,978,774.87 : x
  2. Step 2: Convert to fraction form
    10,369,019.37/15,555,535.63 = 3,978,774.87/x
  3. Step 3: Cross multiply
    10,369,019.37x = 15,555,535.63 × 3,978,774.87
  4. Step 4: Simplify right side
    10,369,019.37x = 61,891,974,254,033.62
  5. Step 5: Solve for x
    x = 61,891,974,254,033.62/10,369,019.37
  6. Step 6: Final answer
    x = 5,968,932.26

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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.