Home / 9,000,511.67-12,420,738.79-4,870,542.33

Finding the Fourth Proportional to 9,000,511.67, 12,420,738.79 and 4,870,542.33

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Solution

The fourth proportional to 9,000,511.67, 12,420,738.79 and 4,870,542.33 is: 6,721,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,511.67 : 12,420,738.79 = 4,870,542.33 : x
  2. Step 2: Convert to fraction form
    9,000,511.67/12,420,738.79 = 4,870,542.33/x
  3. Step 3: Cross multiply
    9,000,511.67x = 12,420,738.79 × 4,870,542.33
  4. Step 4: Simplify right side
    9,000,511.67x = 60,495,734,034,391.62
  5. Step 5: Solve for x
    x = 60,495,734,034,391.62/9,000,511.67
  6. Step 6: Final answer
    x = 6,721,366.10

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1.5x scale

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.