Home / 9,626,786.28-13,283,495.74-5,438,943.12

Finding the Fourth Proportional to 9,626,786.28, 13,283,495.74 and 5,438,943.12

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Solution

The fourth proportional to 9,626,786.28, 13,283,495.74 and 5,438,943.12 is: 7,504,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626,786.28 : 13,283,495.74 = 5,438,943.12 : x
  2. Step 2: Convert to fraction form
    9,626,786.28/13,283,495.74 = 5,438,943.12/x
  3. Step 3: Cross multiply
    9,626,786.28x = 13,283,495.74 × 5,438,943.12
  4. Step 4: Simplify right side
    9,626,786.28x = 72,248,177,748,017.94
  5. Step 5: Solve for x
    x = 72,248,177,748,017.94/9,626,786.28
  6. Step 6: Final answer
    x = 7,504,911.36

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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.