Home / 13,326,272.01-18,388,564.82-7,817,636.93

Finding the Fourth Proportional to 13,326,272.01, 18,388,564.82 and 7,817,636.93

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Solution

The fourth proportional to 13,326,272.01, 18,388,564.82 and 7,817,636.93 is: 10,787,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,272.01 : 18,388,564.82 = 7,817,636.93 : x
  2. Step 2: Convert to fraction form
    13,326,272.01/18,388,564.82 = 7,817,636.93/x
  3. Step 3: Cross multiply
    13,326,272.01x = 18,388,564.82 × 7,817,636.93
  4. Step 4: Simplify right side
    13,326,272.01x = 143,755,123,415,317.09
  5. Step 5: Solve for x
    x = 143,755,123,415,317.09/13,326,272.01
  6. Step 6: Final answer
    x = 10,787,347.23

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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.