Home / 13,076,541.84-18,045,173.44-7,195,625.92

Finding the Fourth Proportional to 13,076,541.84, 18,045,173.44 and 7,195,625.92

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Solution

The fourth proportional to 13,076,541.84, 18,045,173.44 and 7,195,625.92 is: 9,929,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,541.84 : 18,045,173.44 = 7,195,625.92 : x
  2. Step 2: Convert to fraction form
    13,076,541.84/18,045,173.44 = 7,195,625.92/x
  3. Step 3: Cross multiply
    13,076,541.84x = 18,045,173.44 × 7,195,625.92
  4. Step 4: Simplify right side
    13,076,541.84x = 129,846,317,735,759.58
  5. Step 5: Solve for x
    x = 129,846,317,735,759.58/13,076,541.84
  6. Step 6: Final answer
    x = 9,929,713.78

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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.