Home / 9,000,511.45-12,420,738.45-4,870,542.11

Finding the Fourth Proportional to 9,000,511.45, 12,420,738.45 and 4,870,542.11

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Solution

The fourth proportional to 9,000,511.45, 12,420,738.45 and 4,870,542.11 is: 6,721,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,511.45 : 12,420,738.45 = 4,870,542.11 : x
  2. Step 2: Convert to fraction form
    9,000,511.45/12,420,738.45 = 4,870,542.11/x
  3. Step 3: Cross multiply
    9,000,511.45x = 12,420,738.45 × 4,870,542.11
  4. Step 4: Simplify right side
    9,000,511.45x = 60,495,729,595,917.44
  5. Step 5: Solve for x
    x = 60,495,729,595,917.44/9,000,511.45
  6. Step 6: Final answer
    x = 6,721,365.77

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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.