Home / 7,477,664.16-11,216,491.20-1,797,886.56

Finding the Fourth Proportional to 7,477,664.16, 11,216,491.20 and 1,797,886.56

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Solution

The fourth proportional to 7,477,664.16, 11,216,491.20 and 1,797,886.56 is: 2,696,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,664.16 : 11,216,491.20 = 1,797,886.56 : x
  2. Step 2: Convert to fraction form
    7,477,664.16/11,216,491.20 = 1,797,886.56/x
  3. Step 3: Cross multiply
    7,477,664.16x = 11,216,491.20 × 1,797,886.56
  4. Step 4: Simplify right side
    7,477,664.16x = 20,165,978,778,838.27
  5. Step 5: Solve for x
    x = 20,165,978,778,838.27/7,477,664.16
  6. Step 6: Final answer
    x = 2,696,828.63

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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.