Home / 9,824,448.08-13,557,420.54-5,638,821.98

Finding the Fourth Proportional to 9,824,448.08, 13,557,420.54 and 5,638,821.98

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Solution

The fourth proportional to 9,824,448.08, 13,557,420.54 and 5,638,821.98 is: 7,781,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824,448.08 : 13,557,420.54 = 5,638,821.98 : x
  2. Step 2: Convert to fraction form
    9,824,448.08/13,557,420.54 = 5,638,821.98/x
  3. Step 3: Cross multiply
    9,824,448.08x = 13,557,420.54 × 5,638,821.98
  4. Step 4: Simplify right side
    9,824,448.08x = 76,447,880,933,055.47
  5. Step 5: Solve for x
    x = 76,447,880,933,055.47/9,824,448.08
  6. Step 6: Final answer
    x = 7,781,391.92

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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.