Home / 12,846,647.92-19,280,573.16-6,458,715.76

Finding the Fourth Proportional to 12,846,647.92, 19,280,573.16 and 6,458,715.76

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Solution

The fourth proportional to 12,846,647.92, 19,280,573.16 and 6,458,715.76 is: 9,693,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,647.92 : 19,280,573.16 = 6,458,715.76 : x
  2. Step 2: Convert to fraction form
    12,846,647.92/19,280,573.16 = 6,458,715.76/x
  3. Step 3: Cross multiply
    12,846,647.92x = 19,280,573.16 × 6,458,715.76
  4. Step 4: Simplify right side
    12,846,647.92x = 124,527,741,730,325
  5. Step 5: Solve for x
    x = 124,527,741,730,325/12,846,647.92
  6. Step 6: Final answer
    x = 9,693,403.49

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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.