Home / 10,296,097.20-15,444,145.80-7,911,975.60

Finding the Fourth Proportional to 10,296,097.20, 15,444,145.80 and 7,911,975.60

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Solution

The fourth proportional to 10,296,097.20, 15,444,145.80 and 7,911,975.60 is: 11,867,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296,097.20 : 15,444,145.80 = 7,911,975.60 : x
  2. Step 2: Convert to fraction form
    10,296,097.20/15,444,145.80 = 7,911,975.60/x
  3. Step 3: Cross multiply
    10,296,097.20x = 15,444,145.80 × 7,911,975.60
  4. Step 4: Simplify right side
    10,296,097.20x = 122,193,704,732,442.48
  5. Step 5: Solve for x
    x = 122,193,704,732,442.48/10,296,097.20
  6. Step 6: Final answer
    x = 11,867,963.40

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1.5x scale

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.