Home / 13,645,096.90-18,829,739.44-7,450,029.38

Finding the Fourth Proportional to 13,645,096.90, 18,829,739.44 and 7,450,029.38

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Solution

The fourth proportional to 13,645,096.90, 18,829,739.44 and 7,450,029.38 is: 10,280,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,096.90 : 18,829,739.44 = 7,450,029.38 : x
  2. Step 2: Convert to fraction form
    13,645,096.90/18,829,739.44 = 7,450,029.38/x
  3. Step 3: Cross multiply
    13,645,096.90x = 18,829,739.44 × 7,450,029.38
  4. Step 4: Simplify right side
    13,645,096.90x = 140,282,112,045,744.75
  5. Step 5: Solve for x
    x = 140,282,112,045,744.75/13,645,096.90
  6. Step 6: Final answer
    x = 10,280,770.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.