Home / 11,878,724.48-16,392,650.32-6,446,216.48

Finding the Fourth Proportional to 11,878,724.48, 16,392,650.32 and 6,446,216.48

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Solution

The fourth proportional to 11,878,724.48, 16,392,650.32 and 6,446,216.48 is: 8,895,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,724.48 : 16,392,650.32 = 6,446,216.48 : x
  2. Step 2: Convert to fraction form
    11,878,724.48/16,392,650.32 = 6,446,216.48/x
  3. Step 3: Cross multiply
    11,878,724.48x = 16,392,650.32 × 6,446,216.48
  4. Step 4: Simplify right side
    11,878,724.48x = 105,670,572,643,661.28
  5. Step 5: Solve for x
    x = 105,670,572,643,661.28/11,878,724.48
  6. Step 6: Final answer
    x = 8,895,784.46

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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.