Home / 11,478,339.48-15,840,824.85-6,321,699.66

Finding the Fourth Proportional to 11,478,339.48, 15,840,824.85 and 6,321,699.66

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Solution

The fourth proportional to 11,478,339.48, 15,840,824.85 and 6,321,699.66 is: 8,724,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,339.48 : 15,840,824.85 = 6,321,699.66 : x
  2. Step 2: Convert to fraction form
    11,478,339.48/15,840,824.85 = 6,321,699.66/x
  3. Step 3: Cross multiply
    11,478,339.48x = 15,840,824.85 × 6,321,699.66
  4. Step 4: Simplify right side
    11,478,339.48x = 100,140,937,068,364.55
  5. Step 5: Solve for x
    x = 100,140,937,068,364.55/11,478,339.48
  6. Step 6: Final answer
    x = 8,724,340.07

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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.