Home / 12,713,478.99-17,545,200.67-7,206,960.86

Finding the Fourth Proportional to 12,713,478.99, 17,545,200.67 and 7,206,960.86

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Solution

The fourth proportional to 12,713,478.99, 17,545,200.67 and 7,206,960.86 is: 9,945,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,478.99 : 17,545,200.67 = 7,206,960.86 : x
  2. Step 2: Convert to fraction form
    12,713,478.99/17,545,200.67 = 7,206,960.86/x
  3. Step 3: Cross multiply
    12,713,478.99x = 17,545,200.67 × 7,206,960.86
  4. Step 4: Simplify right side
    12,713,478.99x = 126,447,574,530,093.50
  5. Step 5: Solve for x
    x = 126,447,574,530,093.50/12,713,478.99
  6. Step 6: Final answer
    x = 9,945,945.92

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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.