Home / 51,662,212.70-71,293,857.42-28,457,339.66

Finding the Fourth Proportional to 51,662,212.70, 71,293,857.42 and 28,457,339.66

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Solution

The fourth proportional to 51,662,212.70, 71,293,857.42 and 28,457,339.66 is: 39,271,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662,212.70 : 71,293,857.42 = 28,457,339.66 : x
  2. Step 2: Convert to fraction form
    51,662,212.70/71,293,857.42 = 28,457,339.66/x
  3. Step 3: Cross multiply
    51,662,212.70x = 71,293,857.42 × 28,457,339.66
  4. Step 4: Simplify right side
    51,662,212.70x = 2,028,833,516,272,551.25
  5. Step 5: Solve for x
    x = 2,028,833,516,272,551.25/51,662,212.70
  6. Step 6: Final answer
    x = 39,271,130.88

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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.