Home / 14,939,689.60-22,383,729.60-6,945,116.80

Finding the Fourth Proportional to 14,939,689.60, 22,383,729.60 and 6,945,116.80

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Solution

The fourth proportional to 14,939,689.60, 22,383,729.60 and 6,945,116.80 is: 10,405,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,689.60 : 22,383,729.60 = 6,945,116.80 : x
  2. Step 2: Convert to fraction form
    14,939,689.60/22,383,729.60 = 6,945,116.80/x
  3. Step 3: Cross multiply
    14,939,689.60x = 22,383,729.60 × 6,945,116.80
  4. Step 4: Simplify right side
    14,939,689.60x = 155,457,616,491,617.28
  5. Step 5: Solve for x
    x = 155,457,616,491,617.28/14,939,689.60
  6. Step 6: Final answer
    x = 10,405,679.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.