Home / 18,621,571.60-27,932,357.40-16,495,807.60

Finding the Fourth Proportional to 18,621,571.60, 27,932,357.40 and 16,495,807.60

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Solution

The fourth proportional to 18,621,571.60, 27,932,357.40 and 16,495,807.60 is: 24,743,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,571.60 : 27,932,357.40 = 16,495,807.60 : x
  2. Step 2: Convert to fraction form
    18,621,571.60/27,932,357.40 = 16,495,807.60/x
  3. Step 3: Cross multiply
    18,621,571.60x = 27,932,357.40 × 16,495,807.60
  4. Step 4: Simplify right side
    18,621,571.60x = 460,766,793,484,836.19
  5. Step 5: Solve for x
    x = 460,766,793,484,836.19/18,621,571.60
  6. Step 6: Final answer
    x = 24,743,711.40

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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.