Home / 20,306,888.70-30,510,099.45-15,268,040.70

Finding the Fourth Proportional to 20,306,888.70, 30,510,099.45 and 15,268,040.70

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Solution

The fourth proportional to 20,306,888.70, 30,510,099.45 and 15,268,040.70 is: 22,939,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,888.70 : 30,510,099.45 = 15,268,040.70 : x
  2. Step 2: Convert to fraction form
    20,306,888.70/30,510,099.45 = 15,268,040.70/x
  3. Step 3: Cross multiply
    20,306,888.70x = 30,510,099.45 × 15,268,040.70
  4. Step 4: Simplify right side
    20,306,888.70x = 465,829,440,163,647.56
  5. Step 5: Solve for x
    x = 465,829,440,163,647.56/20,306,888.70
  6. Step 6: Final answer
    x = 22,939,478.67

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1.5x scale

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.