Home / 18,195,973.20-27,303,405.96-7,421,178.96

Finding the Fourth Proportional to 18,195,973.20, 27,303,405.96 and 7,421,178.96

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Solution

The fourth proportional to 18,195,973.20, 27,303,405.96 and 7,421,178.96 is: 11,135,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,973.20 : 27,303,405.96 = 7,421,178.96 : x
  2. Step 2: Convert to fraction form
    18,195,973.20/27,303,405.96 = 7,421,178.96/x
  3. Step 3: Cross multiply
    18,195,973.20x = 27,303,405.96 × 7,421,178.96
  4. Step 4: Simplify right side
    18,195,973.20x = 202,623,461,716,473.41
  5. Step 5: Solve for x
    x = 202,623,461,716,473.41/18,195,973.20
  6. Step 6: Final answer
    x = 11,135,621.03

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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.