Home / 12,219,587.94-16,861,156.81-7,061,953.44

Finding the Fourth Proportional to 12,219,587.94, 16,861,156.81 and 7,061,953.44

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Solution

The fourth proportional to 12,219,587.94, 16,861,156.81 and 7,061,953.44 is: 9,744,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,587.94 : 16,861,156.81 = 7,061,953.44 : x
  2. Step 2: Convert to fraction form
    12,219,587.94/16,861,156.81 = 7,061,953.44/x
  3. Step 3: Cross multiply
    12,219,587.94x = 16,861,156.81 × 7,061,953.44
  4. Step 4: Simplify right side
    12,219,587.94x = 119,072,704,336,758.92
  5. Step 5: Solve for x
    x = 119,072,704,336,758.92/12,219,587.94
  6. Step 6: Final answer
    x = 9,744,412.41

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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.