Home / 13,851,037.40-20,776,556.10-6,676,583.90

Finding the Fourth Proportional to 13,851,037.40, 20,776,556.10 and 6,676,583.90

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Solution

The fourth proportional to 13,851,037.40, 20,776,556.10 and 6,676,583.90 is: 10,014,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,037.40 : 20,776,556.10 = 6,676,583.90 : x
  2. Step 2: Convert to fraction form
    13,851,037.40/20,776,556.10 = 6,676,583.90/x
  3. Step 3: Cross multiply
    13,851,037.40x = 20,776,556.10 × 6,676,583.90
  4. Step 4: Simplify right side
    13,851,037.40x = 138,716,419,954,706.81
  5. Step 5: Solve for x
    x = 138,716,419,954,706.81/13,851,037.40
  6. Step 6: Final answer
    x = 10,014,875.85

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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.