Home / 10,909,578.06-16,364,449.11-4,842,678.77

Finding the Fourth Proportional to 10,909,578.06, 16,364,449.11 and 4,842,678.77

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Solution

The fourth proportional to 10,909,578.06, 16,364,449.11 and 4,842,678.77 is: 7,264,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,578.06 : 16,364,449.11 = 4,842,678.77 : x
  2. Step 2: Convert to fraction form
    10,909,578.06/16,364,449.11 = 4,842,678.77/x
  3. Step 3: Cross multiply
    10,909,578.06x = 16,364,449.11 × 4,842,678.77
  4. Step 4: Simplify right side
    10,909,578.06x = 79,247,770,287,742.39
  5. Step 5: Solve for x
    x = 79,247,770,287,742.39/10,909,578.06
  6. Step 6: Final answer
    x = 7,264,054.56

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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.