Home / 9,874,243.12-13,620,968.48-5,743,809.60

Finding the Fourth Proportional to 9,874,243.12, 13,620,968.48 and 5,743,809.60

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Solution

The fourth proportional to 9,874,243.12, 13,620,968.48 and 5,743,809.60 is: 7,923,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874,243.12 : 13,620,968.48 = 5,743,809.60 : x
  2. Step 2: Convert to fraction form
    9,874,243.12/13,620,968.48 = 5,743,809.60/x
  3. Step 3: Cross multiply
    9,874,243.12x = 13,620,968.48 × 5,743,809.60
  4. Step 4: Simplify right side
    9,874,243.12x = 78,236,249,516,721.41
  5. Step 5: Solve for x
    x = 78,236,249,516,721.41/9,874,243.12
  6. Step 6: Final answer
    x = 7,923,265.47

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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.