Home / 12,861,284.66-19,266,703.12-7,458,584.56

Finding the Fourth Proportional to 12,861,284.66, 19,266,703.12 and 7,458,584.56

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Solution

The fourth proportional to 12,861,284.66, 19,266,703.12 and 7,458,584.56 is: 11,173,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,284.66 : 19,266,703.12 = 7,458,584.56 : x
  2. Step 2: Convert to fraction form
    12,861,284.66/19,266,703.12 = 7,458,584.56/x
  3. Step 3: Cross multiply
    12,861,284.66x = 19,266,703.12 × 7,458,584.56
  4. Step 4: Simplify right side
    12,861,284.66x = 143,702,334,412,935.81
  5. Step 5: Solve for x
    x = 143,702,334,412,935.81/12,861,284.66
  6. Step 6: Final answer
    x = 11,173,248.88

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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.