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Finding the Fourth Proportional to 6,101,978.13, 9,099,055.49 and 6,047,210.25

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Solution

The fourth proportional to 6,101,978.13, 9,099,055.49 and 6,047,210.25 is: 9,017,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101,978.13 : 9,099,055.49 = 6,047,210.25 : x
  2. Step 2: Convert to fraction form
    6,101,978.13/9,099,055.49 = 6,047,210.25/x
  3. Step 3: Cross multiply
    6,101,978.13x = 9,099,055.49 × 6,047,210.25
  4. Step 4: Simplify right side
    6,101,978.13x = 55,023,901,594,210.72
  5. Step 5: Solve for x
    x = 55,023,901,594,210.72/6,101,978.13
  6. Step 6: Final answer
    x = 9,017,387.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.