Home / 13,503,960.45-18,635,464.08-7,309,006.16

Finding the Fourth Proportional to 13,503,960.45, 18,635,464.08 and 7,309,006.16

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Solution

The fourth proportional to 13,503,960.45, 18,635,464.08 and 7,309,006.16 is: 10,086,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,960.45 : 18,635,464.08 = 7,309,006.16 : x
  2. Step 2: Convert to fraction form
    13,503,960.45/18,635,464.08 = 7,309,006.16/x
  3. Step 3: Cross multiply
    13,503,960.45x = 18,635,464.08 × 7,309,006.16
  4. Step 4: Simplify right side
    13,503,960.45x = 136,206,721,662,001.41
  5. Step 5: Solve for x
    x = 136,206,721,662,001.41/13,503,960.45
  6. Step 6: Final answer
    x = 10,086,427.77

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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.