Home / 28,546,857.40-39,394,692.35-15,494,119.01

Finding the Fourth Proportional to 28,546,857.40, 39,394,692.35 and 15,494,119.01

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Solution

The fourth proportional to 28,546,857.40, 39,394,692.35 and 15,494,119.01 is: 21,381,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,857.40 : 39,394,692.35 = 15,494,119.01 : x
  2. Step 2: Convert to fraction form
    28,546,857.40/39,394,692.35 = 15,494,119.01/x
  3. Step 3: Cross multiply
    28,546,857.40x = 39,394,692.35 × 15,494,119.01
  4. Step 4: Simplify right side
    28,546,857.40x = 610,386,051,633,236.62
  5. Step 5: Solve for x
    x = 610,386,051,633,236.62/28,546,857.40
  6. Step 6: Final answer
    x = 21,381,900.05

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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.