Home / 26,881,330.80-40,321,996.20-19,323,058.80

Finding the Fourth Proportional to 26,881,330.80, 40,321,996.20 and 19,323,058.80

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Solution

The fourth proportional to 26,881,330.80, 40,321,996.20 and 19,323,058.80 is: 28,984,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881,330.80 : 40,321,996.20 = 19,323,058.80 : x
  2. Step 2: Convert to fraction form
    26,881,330.80/40,321,996.20 = 19,323,058.80/x
  3. Step 3: Cross multiply
    26,881,330.80x = 40,321,996.20 × 19,323,058.80
  4. Step 4: Simplify right side
    26,881,330.80x = 779,144,303,505,976.62
  5. Step 5: Solve for x
    x = 779,144,303,505,976.62/26,881,330.80
  6. Step 6: Final answer
    x = 28,984,588.20

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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.