Home / 12,110,919.60-18,191,651.40-10,221,351.60

Finding the Fourth Proportional to 12,110,919.60, 18,191,651.40 and 10,221,351.60

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Solution

The fourth proportional to 12,110,919.60, 18,191,651.40 and 10,221,351.60 is: 15,353,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,919.60 : 18,191,651.40 = 10,221,351.60 : x
  2. Step 2: Convert to fraction form
    12,110,919.60/18,191,651.40 = 10,221,351.60/x
  3. Step 3: Cross multiply
    12,110,919.60x = 18,191,651.40 × 10,221,351.60
  4. Step 4: Simplify right side
    12,110,919.60x = 185,943,265,144,032.22
  5. Step 5: Solve for x
    x = 185,943,265,144,032.22/12,110,919.60
  6. Step 6: Final answer
    x = 15,353,356.42

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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.