Home / 13,108,381.52-18,090,551.60-7,601,708.56

Finding the Fourth Proportional to 13,108,381.52, 18,090,551.60 and 7,601,708.56

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Solution

The fourth proportional to 13,108,381.52, 18,090,551.60 and 7,601,708.56 is: 10,490,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,381.52 : 18,090,551.60 = 7,601,708.56 : x
  2. Step 2: Convert to fraction form
    13,108,381.52/18,090,551.60 = 7,601,708.56/x
  3. Step 3: Cross multiply
    13,108,381.52x = 18,090,551.60 × 7,601,708.56
  4. Step 4: Simplify right side
    13,108,381.52x = 137,519,100,952,841.70
  5. Step 5: Solve for x
    x = 137,519,100,952,841.70/13,108,381.52
  6. Step 6: Final answer
    x = 10,490,929.09

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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.