Home / 28,977,415.20-43,494,116.40-17,640,007.20

Finding the Fourth Proportional to 28,977,415.20, 43,494,116.40 and 17,640,007.20

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Solution

The fourth proportional to 28,977,415.20, 43,494,116.40 and 17,640,007.20 is: 26,477,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,415.20 : 43,494,116.40 = 17,640,007.20 : x
  2. Step 2: Convert to fraction form
    28,977,415.20/43,494,116.40 = 17,640,007.20/x
  3. Step 3: Cross multiply
    28,977,415.20x = 43,494,116.40 × 17,640,007.20
  4. Step 4: Simplify right side
    28,977,415.20x = 767,236,526,453,638
  5. Step 5: Solve for x
    x = 767,236,526,453,638/28,977,415.20
  6. Step 6: Final answer
    x = 26,477,051.91

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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.