Home / 12,020,058.36-18,031,771.52-3,933,669.60

Finding the Fourth Proportional to 12,020,058.36, 18,031,771.52 and 3,933,669.60

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Solution

The fourth proportional to 12,020,058.36, 18,031,771.52 and 3,933,669.60 is: 5,901,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,058.36 : 18,031,771.52 = 3,933,669.60 : x
  2. Step 2: Convert to fraction form
    12,020,058.36/18,031,771.52 = 3,933,669.60/x
  3. Step 3: Cross multiply
    12,020,058.36x = 18,031,771.52 × 3,933,669.60
  4. Step 4: Simplify right side
    12,020,058.36x = 70,931,031,462,369.80
  5. Step 5: Solve for x
    x = 70,931,031,462,369.80/12,020,058.36
  6. Step 6: Final answer
    x = 5,901,055.50

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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.