Home / 8,438,246.96-11,644,507.45-4,716,978.98

Finding the Fourth Proportional to 8,438,246.96, 11,644,507.45 and 4,716,978.98

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Solution

The fourth proportional to 8,438,246.96, 11,644,507.45 and 4,716,978.98 is: 6,509,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,246.96 : 11,644,507.45 = 4,716,978.98 : x
  2. Step 2: Convert to fraction form
    8,438,246.96/11,644,507.45 = 4,716,978.98/x
  3. Step 3: Cross multiply
    8,438,246.96x = 11,644,507.45 × 4,716,978.98
  4. Step 4: Simplify right side
    8,438,246.96x = 54,926,896,821,777.09
  5. Step 5: Solve for x
    x = 54,926,896,821,777.09/8,438,246.96
  6. Step 6: Final answer
    x = 6,509,278.18

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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.