Home / 9,693,725.19-13,378,109.90-5,343,585.36

Finding the Fourth Proportional to 9,693,725.19, 13,378,109.90 and 5,343,585.36

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Solution

The fourth proportional to 9,693,725.19, 13,378,109.90 and 5,343,585.36 is: 7,374,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693,725.19 : 13,378,109.90 = 5,343,585.36 : x
  2. Step 2: Convert to fraction form
    9,693,725.19/13,378,109.90 = 5,343,585.36/x
  3. Step 3: Cross multiply
    9,693,725.19x = 13,378,109.90 × 5,343,585.36
  4. Step 4: Simplify right side
    9,693,725.19x = 71,487,072,159,282.89
  5. Step 5: Solve for x
    x = 71,487,072,159,282.89/9,693,725.19
  6. Step 6: Final answer
    x = 7,374,571.78

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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.