Home / 13,433,049-18,537,614.56-7,631,840.88

Finding the Fourth Proportional to 13,433,049, 18,537,614.56 and 7,631,840.88

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Solution

The fourth proportional to 13,433,049, 18,537,614.56 and 7,631,840.88 is: 10,531,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,049 : 18,537,614.56 = 7,631,840.88 : x
  2. Step 2: Convert to fraction form
    13,433,049/18,537,614.56 = 7,631,840.88/x
  3. Step 3: Cross multiply
    13,433,049x = 18,537,614.56 × 7,631,840.88
  4. Step 4: Simplify right side
    13,433,049x = 141,476,124,616,691.19
  5. Step 5: Solve for x
    x = 141,476,124,616,691.19/13,433,049
  6. Step 6: Final answer
    x = 10,531,944.36

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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.