Home / 12,716,953.92-19,078,407.90-4,197,282.21

Finding the Fourth Proportional to 12,716,953.92, 19,078,407.90 and 4,197,282.21

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Solution

The fourth proportional to 12,716,953.92, 19,078,407.90 and 4,197,282.21 is: 6,296,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,953.92 : 19,078,407.90 = 4,197,282.21 : x
  2. Step 2: Convert to fraction form
    12,716,953.92/19,078,407.90 = 4,197,282.21/x
  3. Step 3: Cross multiply
    12,716,953.92x = 19,078,407.90 × 4,197,282.21
  4. Step 4: Simplify right side
    12,716,953.92x = 80,077,462,073,793.45
  5. Step 5: Solve for x
    x = 80,077,462,073,793.45/12,716,953.92
  6. Step 6: Final answer
    x = 6,296,905.89

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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.