Home / 42,512,504.64-63,768,336.72-19,476,905.04

Finding the Fourth Proportional to 42,512,504.64, 63,768,336.72 and 19,476,905.04

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Solution

The fourth proportional to 42,512,504.64, 63,768,336.72 and 19,476,905.04 is: 29,215,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,504.64 : 63,768,336.72 = 19,476,905.04 : x
  2. Step 2: Convert to fraction form
    42,512,504.64/63,768,336.72 = 19,476,905.04/x
  3. Step 3: Cross multiply
    42,512,504.64x = 63,768,336.72 × 19,476,905.04
  4. Step 4: Simplify right side
    42,512,504.64x = 1,242,009,838,854,185
  5. Step 5: Solve for x
    x = 1,242,009,838,854,185/42,512,504.64
  6. Step 6: Final answer
    x = 29,215,165.03

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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.