Home / 13,851,037.60-20,776,556.40-12,309,858.70

Finding the Fourth Proportional to 13,851,037.60, 20,776,556.40 and 12,309,858.70

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Solution

The fourth proportional to 13,851,037.60, 20,776,556.40 and 12,309,858.70 is: 18,464,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,037.60 : 20,776,556.40 = 12,309,858.70 : x
  2. Step 2: Convert to fraction form
    13,851,037.60/20,776,556.40 = 12,309,858.70/x
  3. Step 3: Cross multiply
    13,851,037.60x = 20,776,556.40 × 12,309,858.70
  4. Step 4: Simplify right side
    13,851,037.60x = 255,756,473,556,580.66
  5. Step 5: Solve for x
    x = 255,756,473,556,580.66/13,851,037.60
  6. Step 6: Final answer
    x = 18,464,788.05

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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.