Home / 12,787,291.51-19,087,654.36-11,173,023.07

Finding the Fourth Proportional to 12,787,291.51, 19,087,654.36 and 11,173,023.07

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Solution

The fourth proportional to 12,787,291.51, 19,087,654.36 and 11,173,023.07 is: 16,678,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,291.51 : 19,087,654.36 = 11,173,023.07 : x
  2. Step 2: Convert to fraction form
    12,787,291.51/19,087,654.36 = 11,173,023.07/x
  3. Step 3: Cross multiply
    12,787,291.51x = 19,087,654.36 × 11,173,023.07
  4. Step 4: Simplify right side
    12,787,291.51x = 213,266,802,516,466.09
  5. Step 5: Solve for x
    x = 213,266,802,516,466.09/12,787,291.51
  6. Step 6: Final answer
    x = 16,678,027.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.