Home / 10,369,018.37-15,555,534.13-3,978,773.87

Finding the Fourth Proportional to 10,369,018.37, 15,555,534.13 and 3,978,773.87

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Solution

The fourth proportional to 10,369,018.37, 15,555,534.13 and 3,978,773.87 is: 5,968,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,018.37 : 15,555,534.13 = 3,978,773.87 : x
  2. Step 2: Convert to fraction form
    10,369,018.37/15,555,534.13 = 3,978,773.87/x
  3. Step 3: Cross multiply
    10,369,018.37x = 15,555,534.13 × 3,978,773.87
  4. Step 4: Simplify right side
    10,369,018.37x = 61,891,952,657,532.98
  5. Step 5: Solve for x
    x = 61,891,952,657,532.98/10,369,018.37
  6. Step 6: Final answer
    x = 5,968,930.75

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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.