Home / 6,984,063.78-9,637,938.33-3,886,534.13

Finding the Fourth Proportional to 6,984,063.78, 9,637,938.33 and 3,886,534.13

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Solution

The fourth proportional to 6,984,063.78, 9,637,938.33 and 3,886,534.13 is: 5,363,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,063.78 : 9,637,938.33 = 3,886,534.13 : x
  2. Step 2: Convert to fraction form
    6,984,063.78/9,637,938.33 = 3,886,534.13/x
  3. Step 3: Cross multiply
    6,984,063.78x = 9,637,938.33 × 3,886,534.13
  4. Step 4: Simplify right side
    6,984,063.78x = 37,458,176,214,190.51
  5. Step 5: Solve for x
    x = 37,458,176,214,190.51/6,984,063.78
  6. Step 6: Final answer
    x = 5,363,378.31

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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.