Home / 26,411,000.70-39,616,501.05-18,758,250.30

Finding the Fourth Proportional to 26,411,000.70, 39,616,501.05 and 18,758,250.30

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Solution

The fourth proportional to 26,411,000.70, 39,616,501.05 and 18,758,250.30 is: 28,137,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411,000.70 : 39,616,501.05 = 18,758,250.30 : x
  2. Step 2: Convert to fraction form
    26,411,000.70/39,616,501.05 = 18,758,250.30/x
  3. Step 3: Cross multiply
    26,411,000.70x = 39,616,501.05 × 18,758,250.30
  4. Step 4: Simplify right side
    26,411,000.70x = 743,136,242,706,112.75
  5. Step 5: Solve for x
    x = 743,136,242,706,112.75/26,411,000.70
  6. Step 6: Final answer
    x = 28,137,375.45

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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.