Home / 13,851,040.40-20,776,560.60-6,676,586.90

Finding the Fourth Proportional to 13,851,040.40, 20,776,560.60 and 6,676,586.90

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Solution

The fourth proportional to 13,851,040.40, 20,776,560.60 and 6,676,586.90 is: 10,014,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,040.40 : 20,776,560.60 = 6,676,586.90 : x
  2. Step 2: Convert to fraction form
    13,851,040.40/20,776,560.60 = 6,676,586.90/x
  3. Step 3: Cross multiply
    13,851,040.40x = 20,776,560.60 × 6,676,586.90
  4. Step 4: Simplify right side
    13,851,040.40x = 138,716,512,329,016.16
  5. Step 5: Solve for x
    x = 138,716,512,329,016.16/13,851,040.40
  6. Step 6: Final answer
    x = 10,014,880.35

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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.