Home / 13,496,337-18,624,945.06-7,384,765.50

Finding the Fourth Proportional to 13,496,337, 18,624,945.06 and 7,384,765.50

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Solution

The fourth proportional to 13,496,337, 18,624,945.06 and 7,384,765.50 is: 10,190,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496,337 : 18,624,945.06 = 7,384,765.50 : x
  2. Step 2: Convert to fraction form
    13,496,337/18,624,945.06 = 7,384,765.50/x
  3. Step 3: Cross multiply
    13,496,337x = 18,624,945.06 × 7,384,765.50
  4. Step 4: Simplify right side
    13,496,337x = 137,540,851,718,483.42
  5. Step 5: Solve for x
    x = 137,540,851,718,483.42/13,496,337
  6. Step 6: Final answer
    x = 10,190,976.39

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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.