Home / 7,723,142.86-10,658,010.64-4,285,703.74

Finding the Fourth Proportional to 7,723,142.86, 10,658,010.64 and 4,285,703.74

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Solution

The fourth proportional to 7,723,142.86, 10,658,010.64 and 4,285,703.74 is: 5,914,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723,142.86 : 10,658,010.64 = 4,285,703.74 : x
  2. Step 2: Convert to fraction form
    7,723,142.86/10,658,010.64 = 4,285,703.74/x
  3. Step 3: Cross multiply
    7,723,142.86x = 10,658,010.64 × 4,285,703.74
  4. Step 4: Simplify right side
    7,723,142.86x = 45,677,076,060,807.80
  5. Step 5: Solve for x
    x = 45,677,076,060,807.80/7,723,142.86
  6. Step 6: Final answer
    x = 5,914,311.94

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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.