Home / 14,006,356-19,330,257.20-8,210,007.68

Finding the Fourth Proportional to 14,006,356, 19,330,257.20 and 8,210,007.68

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Solution

The fourth proportional to 14,006,356, 19,330,257.20 and 8,210,007.68 is: 11,330,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006,356 : 19,330,257.20 = 8,210,007.68 : x
  2. Step 2: Convert to fraction form
    14,006,356/19,330,257.20 = 8,210,007.68/x
  3. Step 3: Cross multiply
    14,006,356x = 19,330,257.20 × 8,210,007.68
  4. Step 4: Simplify right side
    14,006,356x = 158,701,560,068,375.28
  5. Step 5: Solve for x
    x = 158,701,560,068,375.28/14,006,356
  6. Step 6: Final answer
    x = 11,330,681.59

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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.