Home / 19,008,317.20-28,512,475.80-9,425,174.80

Finding the Fourth Proportional to 19,008,317.20, 28,512,475.80 and 9,425,174.80

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Solution

The fourth proportional to 19,008,317.20, 28,512,475.80 and 9,425,174.80 is: 14,137,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,317.20 : 28,512,475.80 = 9,425,174.80 : x
  2. Step 2: Convert to fraction form
    19,008,317.20/28,512,475.80 = 9,425,174.80/x
  3. Step 3: Cross multiply
    19,008,317.20x = 28,512,475.80 × 9,425,174.80
  4. Step 4: Simplify right side
    19,008,317.20x = 268,735,068,395,769.88
  5. Step 5: Solve for x
    x = 268,735,068,395,769.88/19,008,317.20
  6. Step 6: Final answer
    x = 14,137,762.20

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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.