Home / 13,926,872.80-19,219,154.09-8,702,914.39

Finding the Fourth Proportional to 13,926,872.80, 19,219,154.09 and 8,702,914.39

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Solution

The fourth proportional to 13,926,872.80, 19,219,154.09 and 8,702,914.39 is: 12,010,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926,872.80 : 19,219,154.09 = 8,702,914.39 : x
  2. Step 2: Convert to fraction form
    13,926,872.80/19,219,154.09 = 8,702,914.39/x
  3. Step 3: Cross multiply
    13,926,872.80x = 19,219,154.09 × 8,702,914.39
  4. Step 4: Simplify right side
    13,926,872.80x = 167,262,652,650,879.78
  5. Step 5: Solve for x
    x = 167,262,652,650,879.78/13,926,872.80
  6. Step 6: Final answer
    x = 12,010,065.36

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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.