Home / 12,743,715.60-19,084,080.60-8,460,694.80

Finding the Fourth Proportional to 12,743,715.60, 19,084,080.60 and 8,460,694.80

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Solution

The fourth proportional to 12,743,715.60, 19,084,080.60 and 8,460,694.80 is: 12,670,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,715.60 : 19,084,080.60 = 8,460,694.80 : x
  2. Step 2: Convert to fraction form
    12,743,715.60/19,084,080.60 = 8,460,694.80/x
  3. Step 3: Cross multiply
    12,743,715.60x = 19,084,080.60 × 8,460,694.80
  4. Step 4: Simplify right side
    12,743,715.60x = 161,464,581,495,200.91
  5. Step 5: Solve for x
    x = 161,464,581,495,200.91/12,743,715.60
  6. Step 6: Final answer
    x = 12,670,133.78

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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.