Home / 11,578,830.75-15,968,327.72-7,228,319.13

Finding the Fourth Proportional to 11,578,830.75, 15,968,327.72 and 7,228,319.13

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Solution

The fourth proportional to 11,578,830.75, 15,968,327.72 and 7,228,319.13 is: 9,968,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578,830.75 : 15,968,327.72 = 7,228,319.13 : x
  2. Step 2: Convert to fraction form
    11,578,830.75/15,968,327.72 = 7,228,319.13/x
  3. Step 3: Cross multiply
    11,578,830.75x = 15,968,327.72 × 7,228,319.13
  4. Step 4: Simplify right side
    11,578,830.75x = 115,424,168,696,443.69
  5. Step 5: Solve for x
    x = 115,424,168,696,443.69/11,578,830.75
  6. Step 6: Final answer
    x = 9,968,551.33

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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.