Home / 15,395,458.14-21,244,867.77-8,426,121.45

Finding the Fourth Proportional to 15,395,458.14, 21,244,867.77 and 8,426,121.45

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Solution

The fourth proportional to 15,395,458.14, 21,244,867.77 and 8,426,121.45 is: 11,627,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,458.14 : 21,244,867.77 = 8,426,121.45 : x
  2. Step 2: Convert to fraction form
    15,395,458.14/21,244,867.77 = 8,426,121.45/x
  3. Step 3: Cross multiply
    15,395,458.14x = 21,244,867.77 × 8,426,121.45
  4. Step 4: Simplify right side
    15,395,458.14x = 179,011,836,019,210.66
  5. Step 5: Solve for x
    x = 179,011,836,019,210.66/15,395,458.14
  6. Step 6: Final answer
    x = 11,627,574.47

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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.