Home / 9,308,566.80-13,962,850.20-6,438,785.40

Finding the Fourth Proportional to 9,308,566.80, 13,962,850.20 and 6,438,785.40

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Solution

The fourth proportional to 9,308,566.80, 13,962,850.20 and 6,438,785.40 is: 9,658,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,566.80 : 13,962,850.20 = 6,438,785.40 : x
  2. Step 2: Convert to fraction form
    9,308,566.80/13,962,850.20 = 6,438,785.40/x
  3. Step 3: Cross multiply
    9,308,566.80x = 13,962,850.20 × 6,438,785.40
  4. Step 4: Simplify right side
    9,308,566.80x = 89,903,796,010,147.08
  5. Step 5: Solve for x
    x = 89,903,796,010,147.08/9,308,566.80
  6. Step 6: Final answer
    x = 9,658,178.10

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Similar ratio
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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.