Home / 11,112,182.40-16,642,059.20-6,865,449.60

Finding the Fourth Proportional to 11,112,182.40, 16,642,059.20 and 6,865,449.60

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Solution

The fourth proportional to 11,112,182.40, 16,642,059.20 and 6,865,449.60 is: 10,281,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,182.40 : 16,642,059.20 = 6,865,449.60 : x
  2. Step 2: Convert to fraction form
    11,112,182.40/16,642,059.20 = 6,865,449.60/x
  3. Step 3: Cross multiply
    11,112,182.40x = 16,642,059.20 × 6,865,449.60
  4. Step 4: Simplify right side
    11,112,182.40x = 114,255,218,677,816.31
  5. Step 5: Solve for x
    x = 114,255,218,677,816.31/11,112,182.40
  6. Step 6: Final answer
    x = 10,281,978.33

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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.