Home / 7,216,590.72-10,824,056.64-1,898,221.44

Finding the Fourth Proportional to 7,216,590.72, 10,824,056.64 and 1,898,221.44

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Solution

The fourth proportional to 7,216,590.72, 10,824,056.64 and 1,898,221.44 is: 2,847,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,590.72 : 10,824,056.64 = 1,898,221.44 : x
  2. Step 2: Convert to fraction form
    7,216,590.72/10,824,056.64 = 1,898,221.44/x
  3. Step 3: Cross multiply
    7,216,590.72x = 10,824,056.64 × 1,898,221.44
  4. Step 4: Simplify right side
    7,216,590.72x = 20,546,456,381,822.36
  5. Step 5: Solve for x
    x = 20,546,456,381,822.36/7,216,590.72
  6. Step 6: Final answer
    x = 2,847,113.99

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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.