Home / 7,171,126.22-9,895,866.29-3,907,871.43

Finding the Fourth Proportional to 7,171,126.22, 9,895,866.29 and 3,907,871.43

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Solution

The fourth proportional to 7,171,126.22, 9,895,866.29 and 3,907,871.43 is: 5,392,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,126.22 : 9,895,866.29 = 3,907,871.43 : x
  2. Step 2: Convert to fraction form
    7,171,126.22/9,895,866.29 = 3,907,871.43/x
  3. Step 3: Cross multiply
    7,171,126.22x = 9,895,866.29 × 3,907,871.43
  4. Step 4: Simplify right side
    7,171,126.22x = 38,671,773,107,796.76
  5. Step 5: Solve for x
    x = 38,671,773,107,796.76/7,171,126.22
  6. Step 6: Final answer
    x = 5,392,705.68

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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.