Home / 39,203,068.64-54,100,279.24-21,799,040.19

Finding the Fourth Proportional to 39,203,068.64, 54,100,279.24 and 21,799,040.19

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Solution

The fourth proportional to 39,203,068.64, 54,100,279.24 and 21,799,040.19 is: 30,082,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,068.64 : 54,100,279.24 = 21,799,040.19 : x
  2. Step 2: Convert to fraction form
    39,203,068.64/54,100,279.24 = 21,799,040.19/x
  3. Step 3: Cross multiply
    39,203,068.64x = 54,100,279.24 × 21,799,040.19
  4. Step 4: Simplify right side
    39,203,068.64x = 1,179,334,161,388,485
  5. Step 5: Solve for x
    x = 1,179,334,161,388,485/39,203,068.64
  6. Step 6: Final answer
    x = 30,082,700.22

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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.