Home / 7,723,138.86-10,658,005.11-4,285,699.74

Finding the Fourth Proportional to 7,723,138.86, 10,658,005.11 and 4,285,699.74

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Solution

The fourth proportional to 7,723,138.86, 10,658,005.11 and 4,285,699.74 is: 5,914,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723,138.86 : 10,658,005.11 = 4,285,699.74 : x
  2. Step 2: Convert to fraction form
    7,723,138.86/10,658,005.11 = 4,285,699.74/x
  3. Step 3: Cross multiply
    7,723,138.86x = 10,658,005.11 × 4,285,699.74
  4. Step 4: Simplify right side
    7,723,138.86x = 45,677,009,728,845.67
  5. Step 5: Solve for x
    x = 45,677,009,728,845.67/7,723,138.86
  6. Step 6: Final answer
    x = 5,914,306.42

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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.