Home / 13,999,451.52-19,317,178.64-8,118,834.51

Finding the Fourth Proportional to 13,999,451.52, 19,317,178.64 and 8,118,834.51

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Solution

The fourth proportional to 13,999,451.52, 19,317,178.64 and 8,118,834.51 is: 11,202,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,451.52 : 19,317,178.64 = 8,118,834.51 : x
  2. Step 2: Convert to fraction form
    13,999,451.52/19,317,178.64 = 8,118,834.51/x
  3. Step 3: Cross multiply
    13,999,451.52x = 19,317,178.64 × 8,118,834.51
  4. Step 4: Simplify right side
    13,999,451.52x = 156,832,976,537,672.69
  5. Step 5: Solve for x
    x = 156,832,976,537,672.69/13,999,451.52
  6. Step 6: Final answer
    x = 11,202,794.36

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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.