Home / 20,509,622.43-28,303,208.96-11,342,068.35

Finding the Fourth Proportional to 20,509,622.43, 28,303,208.96 and 11,342,068.35

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Solution

The fourth proportional to 20,509,622.43, 28,303,208.96 and 11,342,068.35 is: 15,652,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,622.43 : 28,303,208.96 = 11,342,068.35 : x
  2. Step 2: Convert to fraction form
    20,509,622.43/28,303,208.96 = 11,342,068.35/x
  3. Step 3: Cross multiply
    20,509,622.43x = 28,303,208.96 × 11,342,068.35
  4. Step 4: Simplify right side
    20,509,622.43x = 321,016,930,548,652.44
  5. Step 5: Solve for x
    x = 321,016,930,548,652.44/20,509,622.43
  6. Step 6: Final answer
    x = 15,652,015.62

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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.