Home / 35,643,949-49,180,218.12-20,174,033.64

Finding the Fourth Proportional to 35,643,949, 49,180,218.12 and 20,174,033.64

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Solution

The fourth proportional to 35,643,949, 49,180,218.12 and 20,174,033.64 is: 27,835,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643,949 : 49,180,218.12 = 20,174,033.64 : x
  2. Step 2: Convert to fraction form
    35,643,949/49,180,218.12 = 20,174,033.64/x
  3. Step 3: Cross multiply
    35,643,949x = 49,180,218.12 × 20,174,033.64
  4. Step 4: Simplify right side
    35,643,949x = 992,163,374,674,547.50
  5. Step 5: Solve for x
    x = 992,163,374,674,547.50/35,643,949
  6. Step 6: Final answer
    x = 27,835,394.30

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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.