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Finding the Fourth Proportional to 14,209,371, 19,609,398.54 and 7,770,843

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Solution

The fourth proportional to 14,209,371, 19,609,398.54 and 7,770,843 is: 10,724,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209,371 : 19,609,398.54 = 7,770,843 : x
  2. Step 2: Convert to fraction form
    14,209,371/19,609,398.54 = 7,770,843/x
  3. Step 3: Cross multiply
    14,209,371x = 19,609,398.54 × 7,770,843
  4. Step 4: Simplify right side
    14,209,371x = 152,381,557,378,769.22
  5. Step 5: Solve for x
    x = 152,381,557,378,769.22/14,209,371
  6. Step 6: Final answer
    x = 10,724,018.49

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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.