Home / 28,887,327.60-43,330,991.40-18,683,660.40

Finding the Fourth Proportional to 28,887,327.60, 43,330,991.40 and 18,683,660.40

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Solution

The fourth proportional to 28,887,327.60, 43,330,991.40 and 18,683,660.40 is: 28,025,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887,327.60 : 43,330,991.40 = 18,683,660.40 : x
  2. Step 2: Convert to fraction form
    28,887,327.60/43,330,991.40 = 18,683,660.40/x
  3. Step 3: Cross multiply
    28,887,327.60x = 43,330,991.40 × 18,683,660.40
  4. Step 4: Simplify right side
    28,887,327.60x = 809,581,528,112,920.50
  5. Step 5: Solve for x
    x = 809,581,528,112,920.50/28,887,327.60
  6. Step 6: Final answer
    x = 28,025,490.60

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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.