Home / 28,860,185.70-43,290,278.55-26,256,780.90

Finding the Fourth Proportional to 28,860,185.70, 43,290,278.55 and 26,256,780.90

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Solution

The fourth proportional to 28,860,185.70, 43,290,278.55 and 26,256,780.90 is: 39,385,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860,185.70 : 43,290,278.55 = 26,256,780.90 : x
  2. Step 2: Convert to fraction form
    28,860,185.70/43,290,278.55 = 26,256,780.90/x
  3. Step 3: Cross multiply
    28,860,185.70x = 43,290,278.55 × 26,256,780.90
  4. Step 4: Simplify right side
    28,860,185.70x = 1,136,663,358,987,319.50
  5. Step 5: Solve for x
    x = 1,136,663,358,987,319.50/28,860,185.70
  6. Step 6: Final answer
    x = 39,385,171.35

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Similar ratio
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1.5x scale

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.