Home / 12,861,291.42-19,266,713.24-7,458,591.33

Finding the Fourth Proportional to 12,861,291.42, 19,266,713.24 and 7,458,591.33

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Solution

The fourth proportional to 12,861,291.42, 19,266,713.24 and 7,458,591.33 is: 11,173,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,291.42 : 19,266,713.24 = 7,458,591.33 : x
  2. Step 2: Convert to fraction form
    12,861,291.42/19,266,713.24 = 7,458,591.33/x
  3. Step 3: Cross multiply
    12,861,291.42x = 19,266,713.24 × 7,458,591.33
  4. Step 4: Simplify right side
    12,861,291.42x = 143,702,540,292,167.25
  5. Step 5: Solve for x
    x = 143,702,540,292,167.25/12,861,291.42
  6. Step 6: Final answer
    x = 11,173,259.01

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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.