Home / 26,881,279.80-40,321,919.70-19,323,007.80

Finding the Fourth Proportional to 26,881,279.80, 40,321,919.70 and 19,323,007.80

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Solution

The fourth proportional to 26,881,279.80, 40,321,919.70 and 19,323,007.80 is: 28,984,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881,279.80 : 40,321,919.70 = 19,323,007.80 : x
  2. Step 2: Convert to fraction form
    26,881,279.80/40,321,919.70 = 19,323,007.80/x
  3. Step 3: Cross multiply
    26,881,279.80x = 40,321,919.70 × 19,323,007.80
  4. Step 4: Simplify right side
    26,881,279.80x = 779,140,768,874,073.75
  5. Step 5: Solve for x
    x = 779,140,768,874,073.75/26,881,279.80
  6. Step 6: Final answer
    x = 28,984,511.70

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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.