Home / 7,021,372.32-9,689,491.44-3,802,108.32

Finding the Fourth Proportional to 7,021,372.32, 9,689,491.44 and 3,802,108.32

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Solution

The fourth proportional to 7,021,372.32, 9,689,491.44 and 3,802,108.32 is: 5,246,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,372.32 : 9,689,491.44 = 3,802,108.32 : x
  2. Step 2: Convert to fraction form
    7,021,372.32/9,689,491.44 = 3,802,108.32/x
  3. Step 3: Cross multiply
    7,021,372.32x = 9,689,491.44 × 3,802,108.32
  4. Step 4: Simplify right side
    7,021,372.32x = 36,840,496,020,592.77
  5. Step 5: Solve for x
    x = 36,840,496,020,592.77/7,021,372.32
  6. Step 6: Final answer
    x = 5,246,908.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.