Home / 11,323,511.44-15,626,888.08-6,429,188.88

Finding the Fourth Proportional to 11,323,511.44, 15,626,888.08 and 6,429,188.88

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Solution

The fourth proportional to 11,323,511.44, 15,626,888.08 and 6,429,188.88 is: 8,872,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323,511.44 : 15,626,888.08 = 6,429,188.88 : x
  2. Step 2: Convert to fraction form
    11,323,511.44/15,626,888.08 = 6,429,188.88/x
  3. Step 3: Cross multiply
    11,323,511.44x = 15,626,888.08 × 6,429,188.88
  4. Step 4: Simplify right side
    11,323,511.44x = 100,468,215,072,940.55
  5. Step 5: Solve for x
    x = 100,468,215,072,940.55/11,323,511.44
  6. Step 6: Final answer
    x = 8,872,531.78

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1.5x scale

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.