Home / 12,599,329.72-18,901,750.86-4,080,527.32

Finding the Fourth Proportional to 12,599,329.72, 18,901,750.86 and 4,080,527.32

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Solution

The fourth proportional to 12,599,329.72, 18,901,750.86 and 4,080,527.32 is: 6,121,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599,329.72 : 18,901,750.86 = 4,080,527.32 : x
  2. Step 2: Convert to fraction form
    12,599,329.72/18,901,750.86 = 4,080,527.32/x
  3. Step 3: Cross multiply
    12,599,329.72x = 18,901,750.86 × 4,080,527.32
  4. Step 4: Simplify right side
    12,599,329.72x = 77,129,110,780,063.48
  5. Step 5: Solve for x
    x = 77,129,110,780,063.48/12,599,329.72
  6. Step 6: Final answer
    x = 6,121,683.65

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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.