Home / 20,049,690-30,075,125.49-4,903,621.50

Finding the Fourth Proportional to 20,049,690, 30,075,125.49 and 4,903,621.50

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Solution

The fourth proportional to 20,049,690, 30,075,125.49 and 4,903,621.50 is: 7,355,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,690 : 30,075,125.49 = 4,903,621.50 : x
  2. Step 2: Convert to fraction form
    20,049,690/30,075,125.49 = 4,903,621.50/x
  3. Step 3: Cross multiply
    20,049,690x = 30,075,125.49 × 4,903,621.50
  4. Step 4: Simplify right side
    20,049,690x = 147,477,031,967,962.03
  5. Step 5: Solve for x
    x = 147,477,031,967,962.03/20,049,690
  6. Step 6: Final answer
    x = 7,355,576.67

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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.