Home / 13,105,823.08-18,085,542.42-7,599,430.36

Finding the Fourth Proportional to 13,105,823.08, 18,085,542.42 and 7,599,430.36

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Solution

The fourth proportional to 13,105,823.08, 18,085,542.42 and 7,599,430.36 is: 10,486,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,823.08 : 18,085,542.42 = 7,599,430.36 : x
  2. Step 2: Convert to fraction form
    13,105,823.08/18,085,542.42 = 7,599,430.36/x
  3. Step 3: Cross multiply
    13,105,823.08x = 18,085,542.42 × 7,599,430.36
  4. Step 4: Simplify right side
    13,105,823.08x = 137,439,820,143,615.89
  5. Step 5: Solve for x
    x = 137,439,820,143,615.89/13,105,823.08
  6. Step 6: Final answer
    x = 10,486,927.78

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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.