Home / 28,175,033.20-38,881,689.24-15,954,271.60

Finding the Fourth Proportional to 28,175,033.20, 38,881,689.24 and 15,954,271.60

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Solution

The fourth proportional to 28,175,033.20, 38,881,689.24 and 15,954,271.60 is: 22,016,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175,033.20 : 38,881,689.24 = 15,954,271.60 : x
  2. Step 2: Convert to fraction form
    28,175,033.20/38,881,689.24 = 15,954,271.60/x
  3. Step 3: Cross multiply
    28,175,033.20x = 38,881,689.24 × 15,954,271.60
  4. Step 4: Simplify right side
    28,175,033.20x = 620,329,030,401,757.62
  5. Step 5: Solve for x
    x = 620,329,030,401,757.62/28,175,033.20
  6. Step 6: Final answer
    x = 22,016,976.02

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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.