Home / 18,591,970.60-27,943,943.10-16,128,533.80

Finding the Fourth Proportional to 18,591,970.60, 27,943,943.10 and 16,128,533.80

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Solution

The fourth proportional to 18,591,970.60, 27,943,943.10 and 16,128,533.80 is: 24,241,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,970.60 : 27,943,943.10 = 16,128,533.80 : x
  2. Step 2: Convert to fraction form
    18,591,970.60/27,943,943.10 = 16,128,533.80/x
  3. Step 3: Cross multiply
    18,591,970.60x = 27,943,943.10 × 16,128,533.80
  4. Step 4: Simplify right side
    18,591,970.60x = 450,694,830,793,626.81
  5. Step 5: Solve for x
    x = 450,694,830,793,626.81/18,591,970.60
  6. Step 6: Final answer
    x = 24,241,369.59

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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.