Home / 19,153,673.82-28,725,194.97-5,317,453.98

Finding the Fourth Proportional to 19,153,673.82, 28,725,194.97 and 5,317,453.98

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Solution

The fourth proportional to 19,153,673.82, 28,725,194.97 and 5,317,453.98 is: 7,974,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,673.82 : 28,725,194.97 = 5,317,453.98 : x
  2. Step 2: Convert to fraction form
    19,153,673.82/28,725,194.97 = 5,317,453.98/x
  3. Step 3: Cross multiply
    19,153,673.82x = 28,725,194.97 × 5,317,453.98
  4. Step 4: Simplify right side
    19,153,673.82x = 152,744,902,319,502.50
  5. Step 5: Solve for x
    x = 152,744,902,319,502.50/19,153,673.82
  6. Step 6: Final answer
    x = 7,974,705.21

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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.