Home / 8,063,152.80-12,094,729.20-7,447,293.60

Finding the Fourth Proportional to 8,063,152.80, 12,094,729.20 and 7,447,293.60

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Solution

The fourth proportional to 8,063,152.80, 12,094,729.20 and 7,447,293.60 is: 11,170,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063,152.80 : 12,094,729.20 = 7,447,293.60 : x
  2. Step 2: Convert to fraction form
    8,063,152.80/12,094,729.20 = 7,447,293.60/x
  3. Step 3: Cross multiply
    8,063,152.80x = 12,094,729.20 × 7,447,293.60
  4. Step 4: Simplify right side
    8,063,152.80x = 90,072,999,364,893.11
  5. Step 5: Solve for x
    x = 90,072,999,364,893.11/8,063,152.80
  6. Step 6: Final answer
    x = 11,170,940.40

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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.