Home / 8,530,149.40-12,764,120.10-6,290,661.40

Finding the Fourth Proportional to 8,530,149.40, 12,764,120.10 and 6,290,661.40

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Solution

The fourth proportional to 8,530,149.40, 12,764,120.10 and 6,290,661.40 is: 9,413,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,149.40 : 12,764,120.10 = 6,290,661.40 : x
  2. Step 2: Convert to fraction form
    8,530,149.40/12,764,120.10 = 6,290,661.40/x
  3. Step 3: Cross multiply
    8,530,149.40x = 12,764,120.10 × 6,290,661.40
  4. Step 4: Simplify right side
    8,530,149.40x = 80,294,757,618,034.14
  5. Step 5: Solve for x
    x = 80,294,757,618,034.14/8,530,149.40
  6. Step 6: Final answer
    x = 9,413,054.08

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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.