Home / 28,977,428.70-43,494,136.65-17,640,020.70

Finding the Fourth Proportional to 28,977,428.70, 43,494,136.65 and 17,640,020.70

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Solution

The fourth proportional to 28,977,428.70, 43,494,136.65 and 17,640,020.70 is: 26,477,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,428.70 : 43,494,136.65 = 17,640,020.70 : x
  2. Step 2: Convert to fraction form
    28,977,428.70/43,494,136.65 = 17,640,020.70/x
  3. Step 3: Cross multiply
    28,977,428.70x = 43,494,136.65 × 17,640,020.70
  4. Step 4: Simplify right side
    28,977,428.70x = 767,237,470,834,628.62
  5. Step 5: Solve for x
    x = 767,237,470,834,628.62/28,977,428.70
  6. Step 6: Final answer
    x = 26,477,072.16

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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.