Home / 18,715,119.60-28,075,357.44-5,762,366.28

Finding the Fourth Proportional to 18,715,119.60, 28,075,357.44 and 5,762,366.28

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Solution

The fourth proportional to 18,715,119.60, 28,075,357.44 and 5,762,366.28 is: 8,644,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,119.60 : 28,075,357.44 = 5,762,366.28 : x
  2. Step 2: Convert to fraction form
    18,715,119.60/28,075,357.44 = 5,762,366.28/x
  3. Step 3: Cross multiply
    18,715,119.60x = 28,075,357.44 × 5,762,366.28
  4. Step 4: Simplify right side
    18,715,119.60x = 161,780,493,011,203.12
  5. Step 5: Solve for x
    x = 161,780,493,011,203.12/18,715,119.60
  6. Step 6: Final answer
    x = 8,644,373.99

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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.