Home / 6,130,289.80-9,195,434.70-5,457,131.20

Finding the Fourth Proportional to 6,130,289.80, 9,195,434.70 and 5,457,131.20

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Solution

The fourth proportional to 6,130,289.80, 9,195,434.70 and 5,457,131.20 is: 8,185,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130,289.80 : 9,195,434.70 = 5,457,131.20 : x
  2. Step 2: Convert to fraction form
    6,130,289.80/9,195,434.70 = 5,457,131.20/x
  3. Step 3: Cross multiply
    6,130,289.80x = 9,195,434.70 × 5,457,131.20
  4. Step 4: Simplify right side
    6,130,289.80x = 50,180,693,598,932.64
  5. Step 5: Solve for x
    x = 50,180,693,598,932.64/6,130,289.80
  6. Step 6: Final answer
    x = 8,185,696.80

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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.