Home / 28,585,339.55-39,448,017.72-15,532,598.42

Finding the Fourth Proportional to 28,585,339.55, 39,448,017.72 and 15,532,598.42

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Solution

The fourth proportional to 28,585,339.55, 39,448,017.72 and 15,532,598.42 is: 21,435,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,339.55 : 39,448,017.72 = 15,532,598.42 : x
  2. Step 2: Convert to fraction form
    28,585,339.55/39,448,017.72 = 15,532,598.42/x
  3. Step 3: Cross multiply
    28,585,339.55x = 39,448,017.72 × 15,532,598.42
  4. Step 4: Simplify right side
    28,585,339.55x = 612,730,217,512,563.88
  5. Step 5: Solve for x
    x = 612,730,217,512,563.88/28,585,339.55
  6. Step 6: Final answer
    x = 21,435,121.19

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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.