Home / 13,186,627.20-19,779,940.80-8,084,793.60

Finding the Fourth Proportional to 13,186,627.20, 19,779,940.80 and 8,084,793.60

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Solution

The fourth proportional to 13,186,627.20, 19,779,940.80 and 8,084,793.60 is: 12,127,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,627.20 : 19,779,940.80 = 8,084,793.60 : x
  2. Step 2: Convert to fraction form
    13,186,627.20/19,779,940.80 = 8,084,793.60/x
  3. Step 3: Cross multiply
    13,186,627.20x = 19,779,940.80 × 8,084,793.60
  4. Step 4: Simplify right side
    13,186,627.20x = 159,916,738,788,218.88
  5. Step 5: Solve for x
    x = 159,916,738,788,218.88/13,186,627.20
  6. Step 6: Final answer
    x = 12,127,190.40

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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.