Home / 12,949,566.60-19,431,348.30-5,762,209.80

Finding the Fourth Proportional to 12,949,566.60, 19,431,348.30 and 5,762,209.80

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Solution

The fourth proportional to 12,949,566.60, 19,431,348.30 and 5,762,209.80 is: 8,646,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,566.60 : 19,431,348.30 = 5,762,209.80 : x
  2. Step 2: Convert to fraction form
    12,949,566.60/19,431,348.30 = 5,762,209.80/x
  3. Step 3: Cross multiply
    12,949,566.60x = 19,431,348.30 × 5,762,209.80
  4. Step 4: Simplify right side
    12,949,566.60x = 111,967,505,601,473.34
  5. Step 5: Solve for x
    x = 111,967,505,601,473.34/12,949,566.60
  6. Step 6: Final answer
    x = 8,646,428.80

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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.