Home / 9,290,528.26-12,820,928.99-5,216,234.74

Finding the Fourth Proportional to 9,290,528.26, 12,820,928.99 and 5,216,234.74

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Solution

The fourth proportional to 9,290,528.26, 12,820,928.99 and 5,216,234.74 is: 7,198,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,528.26 : 12,820,928.99 = 5,216,234.74 : x
  2. Step 2: Convert to fraction form
    9,290,528.26/12,820,928.99 = 5,216,234.74/x
  3. Step 3: Cross multiply
    9,290,528.26x = 12,820,928.99 × 5,216,234.74
  4. Step 4: Simplify right side
    9,290,528.26x = 66,876,975,196,711.12
  5. Step 5: Solve for x
    x = 66,876,975,196,711.12/9,290,528.26
  6. Step 6: Final answer
    x = 7,198,403.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.