Home / 13,295,123.60-19,939,920.60-5,722,336.40

Finding the Fourth Proportional to 13,295,123.60, 19,939,920.60 and 5,722,336.40

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Solution

The fourth proportional to 13,295,123.60, 19,939,920.60 and 5,722,336.40 is: 8,582,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295,123.60 : 19,939,920.60 = 5,722,336.40 : x
  2. Step 2: Convert to fraction form
    13,295,123.60/19,939,920.60 = 5,722,336.40/x
  3. Step 3: Cross multiply
    13,295,123.60x = 19,939,920.60 × 5,722,336.40
  4. Step 4: Simplify right side
    13,295,123.60x = 114,102,933,462,489.86
  5. Step 5: Solve for x
    x = 114,102,933,462,489.86/13,295,123.60
  6. Step 6: Final answer
    x = 8,582,314.61

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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.