Home / 13,309,250.86-18,366,821.43-7,197,679.42

Finding the Fourth Proportional to 13,309,250.86, 18,366,821.43 and 7,197,679.42

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Solution

The fourth proportional to 13,309,250.86, 18,366,821.43 and 7,197,679.42 is: 9,932,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,250.86 : 18,366,821.43 = 7,197,679.42 : x
  2. Step 2: Convert to fraction form
    13,309,250.86/18,366,821.43 = 7,197,679.42/x
  3. Step 3: Cross multiply
    13,309,250.86x = 18,366,821.43 × 7,197,679.42
  4. Step 4: Simplify right side
    13,309,250.86x = 132,198,492,617,525.97
  5. Step 5: Solve for x
    x = 132,198,492,617,525.97/13,309,250.86
  6. Step 6: Final answer
    x = 9,932,827.48

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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.