Home / 13,076,509.11-18,045,128.53-7,195,593.21

Finding the Fourth Proportional to 13,076,509.11, 18,045,128.53 and 7,195,593.21

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Solution

The fourth proportional to 13,076,509.11, 18,045,128.53 and 7,195,593.21 is: 9,929,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,509.11 : 18,045,128.53 = 7,195,593.21 : x
  2. Step 2: Convert to fraction form
    13,076,509.11/18,045,128.53 = 7,195,593.21/x
  3. Step 3: Cross multiply
    13,076,509.11x = 18,045,128.53 × 7,195,593.21
  4. Step 4: Simplify right side
    13,076,509.11x = 129,845,404,324,045.30
  5. Step 5: Solve for x
    x = 129,845,404,324,045.30/13,076,509.11
  6. Step 6: Final answer
    x = 9,929,668.78

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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.