Home / 10,879,806.40-16,319,709.60-6,550,129.60

Finding the Fourth Proportional to 10,879,806.40, 16,319,709.60 and 6,550,129.60

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Solution

The fourth proportional to 10,879,806.40, 16,319,709.60 and 6,550,129.60 is: 9,825,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,806.40 : 16,319,709.60 = 6,550,129.60 : x
  2. Step 2: Convert to fraction form
    10,879,806.40/16,319,709.60 = 6,550,129.60/x
  3. Step 3: Cross multiply
    10,879,806.40x = 16,319,709.60 × 6,550,129.60
  4. Step 4: Simplify right side
    10,879,806.40x = 106,896,212,914,364.16
  5. Step 5: Solve for x
    x = 106,896,212,914,364.16/10,879,806.40
  6. Step 6: Final answer
    x = 9,825,194.40

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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.