Home / 30,505,551.48-42,080,088.06-18,275,322.60

Finding the Fourth Proportional to 30,505,551.48, 42,080,088.06 and 18,275,322.60

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Solution

The fourth proportional to 30,505,551.48, 42,080,088.06 and 18,275,322.60 is: 25,209,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,551.48 : 42,080,088.06 = 18,275,322.60 : x
  2. Step 2: Convert to fraction form
    30,505,551.48/42,080,088.06 = 18,275,322.60/x
  3. Step 3: Cross multiply
    30,505,551.48x = 42,080,088.06 × 18,275,322.60
  4. Step 4: Simplify right side
    30,505,551.48x = 769,027,184,332,908.25
  5. Step 5: Solve for x
    x = 769,027,184,332,908.25/30,505,551.48
  6. Step 6: Final answer
    x = 25,209,417.53

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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.