Home / 28,860,186.20-43,290,279.30-26,256,781.40

Finding the Fourth Proportional to 28,860,186.20, 43,290,279.30 and 26,256,781.40

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Solution

The fourth proportional to 28,860,186.20, 43,290,279.30 and 26,256,781.40 is: 39,385,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,186.20 : 43,290,279.30 = 26,256,781.40 : x
  2. Step 2: Convert to fraction form
    28,860,186.20/43,290,279.30 = 26,256,781.40/x
  3. Step 3: Cross multiply
    28,860,186.20x = 43,290,279.30 × 26,256,781.40
  4. Step 4: Simplify right side
    28,860,186.20x = 1,136,663,400,325,045
  5. Step 5: Solve for x
    x = 1,136,663,400,325,045/28,860,186.20
  6. Step 6: Final answer
    x = 39,385,172.10

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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.