Home / 51,662,209.89-71,293,853.52-28,457,336.84

Finding the Fourth Proportional to 51,662,209.89, 71,293,853.52 and 28,457,336.84

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Solution

The fourth proportional to 51,662,209.89, 71,293,853.52 and 28,457,336.84 is: 39,271,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662,209.89 : 71,293,853.52 = 28,457,336.84 : x
  2. Step 2: Convert to fraction form
    51,662,209.89/71,293,853.52 = 28,457,336.84/x
  3. Step 3: Cross multiply
    51,662,209.89x = 71,293,853.52 × 28,457,336.84
  4. Step 4: Simplify right side
    51,662,209.89x = 2,028,833,204,097,973
  5. Step 5: Solve for x
    x = 2,028,833,204,097,973/51,662,209.89
  6. Step 6: Final answer
    x = 39,271,126.97

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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.