Home / 28,977,455.20-43,494,176.40-17,640,047.20

Finding the Fourth Proportional to 28,977,455.20, 43,494,176.40 and 17,640,047.20

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Solution

The fourth proportional to 28,977,455.20, 43,494,176.40 and 17,640,047.20 is: 26,477,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,455.20 : 43,494,176.40 = 17,640,047.20 : x
  2. Step 2: Convert to fraction form
    28,977,455.20/43,494,176.40 = 17,640,047.20/x
  3. Step 3: Cross multiply
    28,977,455.20x = 43,494,176.40 × 17,640,047.20
  4. Step 4: Simplify right side
    28,977,455.20x = 767,239,324,621,126
  5. Step 5: Solve for x
    x = 767,239,324,621,126/28,977,455.20
  6. Step 6: Final answer
    x = 26,477,111.92

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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.