Home / 18,880,393.60-28,327,588.80-18,180,553.60

Finding the Fourth Proportional to 18,880,393.60, 28,327,588.80 and 18,180,553.60

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Solution

The fourth proportional to 18,880,393.60, 28,327,588.80 and 18,180,553.60 is: 27,277,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,393.60 : 28,327,588.80 = 18,180,553.60 : x
  2. Step 2: Convert to fraction form
    18,880,393.60/28,327,588.80 = 18,180,553.60/x
  3. Step 3: Cross multiply
    18,880,393.60x = 28,327,588.80 × 18,180,553.60
  4. Step 4: Simplify right side
    18,880,393.60x = 515,011,246,537,159.75
  5. Step 5: Solve for x
    x = 515,011,246,537,159.75/18,880,393.60
  6. Step 6: Final answer
    x = 27,277,569.39

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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.