Home / 15,041,825.75-20,757,719.34-8,166,307.81

Finding the Fourth Proportional to 15,041,825.75, 20,757,719.34 and 8,166,307.81

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Solution

The fourth proportional to 15,041,825.75, 20,757,719.34 and 8,166,307.81 is: 11,269,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041,825.75 : 20,757,719.34 = 8,166,307.81 : x
  2. Step 2: Convert to fraction form
    15,041,825.75/20,757,719.34 = 8,166,307.81/x
  3. Step 3: Cross multiply
    15,041,825.75x = 20,757,719.34 × 8,166,307.81
  4. Step 4: Simplify right side
    15,041,825.75x = 169,513,925,564,030.03
  5. Step 5: Solve for x
    x = 169,513,925,564,030.03/15,041,825.75
  6. Step 6: Final answer
    x = 11,269,504.67

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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.