Home / 7,106,342.31-9,806,781.73-3,843,156.97

Finding the Fourth Proportional to 7,106,342.31, 9,806,781.73 and 3,843,156.97

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Solution

The fourth proportional to 7,106,342.31, 9,806,781.73 and 3,843,156.97 is: 5,303,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,342.31 : 9,806,781.73 = 3,843,156.97 : x
  2. Step 2: Convert to fraction form
    7,106,342.31/9,806,781.73 = 3,843,156.97/x
  3. Step 3: Cross multiply
    7,106,342.31x = 9,806,781.73 × 3,843,156.97
  4. Step 4: Simplify right side
    7,106,342.31x = 37,689,001,558,918.16
  5. Step 5: Solve for x
    x = 37,689,001,558,918.16/7,106,342.31
  6. Step 6: Final answer
    x = 5,303,572.49

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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.