Home / 10,728,378.86-16,090,839.75-2,945,477.66

Finding the Fourth Proportional to 10,728,378.86, 16,090,839.75 and 2,945,477.66

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Solution

The fourth proportional to 10,728,378.86, 16,090,839.75 and 2,945,477.66 is: 4,417,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,378.86 : 16,090,839.75 = 2,945,477.66 : x
  2. Step 2: Convert to fraction form
    10,728,378.86/16,090,839.75 = 2,945,477.66/x
  3. Step 3: Cross multiply
    10,728,378.86x = 16,090,839.75 × 2,945,477.66
  4. Step 4: Simplify right side
    10,728,378.86x = 47,395,209,014,264.98
  5. Step 5: Solve for x
    x = 47,395,209,014,264.98/10,728,378.86
  6. Step 6: Final answer
    x = 4,417,741.92

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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.