Home / 14,278,726.21-21,426,599.19-5,181,533.59

Finding the Fourth Proportional to 14,278,726.21, 21,426,599.19 and 5,181,533.59

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Solution

The fourth proportional to 14,278,726.21, 21,426,599.19 and 5,181,533.59 is: 7,775,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,726.21 : 21,426,599.19 = 5,181,533.59 : x
  2. Step 2: Convert to fraction form
    14,278,726.21/21,426,599.19 = 5,181,533.59/x
  3. Step 3: Cross multiply
    14,278,726.21x = 21,426,599.19 × 5,181,533.59
  4. Step 4: Simplify right side
    14,278,726.21x = 111,022,643,422,451.80
  5. Step 5: Solve for x
    x = 111,022,643,422,451.80/14,278,726.21
  6. Step 6: Final answer
    x = 7,775,388.49

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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.