Home / 8,932,509.60-13,398,764.40-5,531,287.20

Finding the Fourth Proportional to 8,932,509.60, 13,398,764.40 and 5,531,287.20

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Solution

The fourth proportional to 8,932,509.60, 13,398,764.40 and 5,531,287.20 is: 8,296,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932,509.60 : 13,398,764.40 = 5,531,287.20 : x
  2. Step 2: Convert to fraction form
    8,932,509.60/13,398,764.40 = 5,531,287.20/x
  3. Step 3: Cross multiply
    8,932,509.60x = 13,398,764.40 × 5,531,287.20
  4. Step 4: Simplify right side
    8,932,509.60x = 74,112,414,021,535.69
  5. Step 5: Solve for x
    x = 74,112,414,021,535.69/8,932,509.60
  6. Step 6: Final answer
    x = 8,296,930.80

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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.