Home / 12,401,530.80-18,602,879.40-3,882,145.20

Finding the Fourth Proportional to 12,401,530.80, 18,602,879.40 and 3,882,145.20

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Solution

The fourth proportional to 12,401,530.80, 18,602,879.40 and 3,882,145.20 is: 5,823,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,530.80 : 18,602,879.40 = 3,882,145.20 : x
  2. Step 2: Convert to fraction form
    12,401,530.80/18,602,879.40 = 3,882,145.20/x
  3. Step 3: Cross multiply
    12,401,530.80x = 18,602,879.40 × 3,882,145.20
  4. Step 4: Simplify right side
    12,401,530.80x = 72,219,078,968,888.88
  5. Step 5: Solve for x
    x = 72,219,078,968,888.88/12,401,530.80
  6. Step 6: Final answer
    x = 5,823,400.36

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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.