Home / 11,578,817.28-15,968,313.60-7,228,304.64

Finding the Fourth Proportional to 11,578,817.28, 15,968,313.60 and 7,228,304.64

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Solution

The fourth proportional to 11,578,817.28, 15,968,313.60 and 7,228,304.64 is: 9,968,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578,817.28 : 15,968,313.60 = 7,228,304.64 : x
  2. Step 2: Convert to fraction form
    11,578,817.28/15,968,313.60 = 7,228,304.64/x
  3. Step 3: Cross multiply
    11,578,817.28x = 15,968,313.60 × 7,228,304.64
  4. Step 4: Simplify right side
    11,578,817.28x = 115,423,835,287,855.09
  5. Step 5: Solve for x
    x = 115,423,835,287,855.09/11,578,817.28
  6. Step 6: Final answer
    x = 9,968,534.13

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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.