Home / 9,680,627.20-14,520,940.80-7,413,145.60

Finding the Fourth Proportional to 9,680,627.20, 14,520,940.80 and 7,413,145.60

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Solution

The fourth proportional to 9,680,627.20, 14,520,940.80 and 7,413,145.60 is: 11,119,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,627.20 : 14,520,940.80 = 7,413,145.60 : x
  2. Step 2: Convert to fraction form
    9,680,627.20/14,520,940.80 = 7,413,145.60/x
  3. Step 3: Cross multiply
    9,680,627.20x = 14,520,940.80 × 7,413,145.60
  4. Step 4: Simplify right side
    9,680,627.20x = 107,645,848,399,380.48
  5. Step 5: Solve for x
    x = 107,645,848,399,380.48/9,680,627.20
  6. Step 6: Final answer
    x = 11,119,718.40

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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.