Home / 13,545,408.30-18,692,663.67-8,112,900.30

Finding the Fourth Proportional to 13,545,408.30, 18,692,663.67 and 8,112,900.30

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Solution

The fourth proportional to 13,545,408.30, 18,692,663.67 and 8,112,900.30 is: 11,195,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,408.30 : 18,692,663.67 = 8,112,900.30 : x
  2. Step 2: Convert to fraction form
    13,545,408.30/18,692,663.67 = 8,112,900.30/x
  3. Step 3: Cross multiply
    13,545,408.30x = 18,692,663.67 × 8,112,900.30
  4. Step 4: Simplify right side
    13,545,408.30x = 151,651,716,696,142.12
  5. Step 5: Solve for x
    x = 151,651,716,696,142.12/13,545,408.30
  6. Step 6: Final answer
    x = 11,195,802.54

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1.5x scale

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.