Home / 20,735,782.67-28,626,137.71-15,147,754.67

Finding the Fourth Proportional to 20,735,782.67, 28,626,137.71 and 15,147,754.67

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Solution

The fourth proportional to 20,735,782.67, 28,626,137.71 and 15,147,754.67 is: 20,911,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,782.67 : 28,626,137.71 = 15,147,754.67 : x
  2. Step 2: Convert to fraction form
    20,735,782.67/28,626,137.71 = 15,147,754.67/x
  3. Step 3: Cross multiply
    20,735,782.67x = 28,626,137.71 × 15,147,754.67
  4. Step 4: Simplify right side
    20,735,782.67x = 433,621,710,999,715.50
  5. Step 5: Solve for x
    x = 433,621,710,999,715.50/20,735,782.67
  6. Step 6: Final answer
    x = 20,911,760.02

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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.