Home / 9,121,845.51-13,684,896.54-2,645,055.95

Finding the Fourth Proportional to 9,121,845.51, 13,684,896.54 and 2,645,055.95

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Solution

The fourth proportional to 9,121,845.51, 13,684,896.54 and 2,645,055.95 is: 3,968,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,845.51 : 13,684,896.54 = 2,645,055.95 : x
  2. Step 2: Convert to fraction form
    9,121,845.51/13,684,896.54 = 2,645,055.95/x
  3. Step 3: Cross multiply
    9,121,845.51x = 13,684,896.54 × 2,645,055.95
  4. Step 4: Simplify right side
    9,121,845.51x = 36,197,316,949,836.92
  5. Step 5: Solve for x
    x = 36,197,316,949,836.92/9,121,845.51
  6. Step 6: Final answer
    x = 3,968,201.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.