Home / 28,122,869.30-38,793,933.77-16,360,816.37

Finding the Fourth Proportional to 28,122,869.30, 38,793,933.77 and 16,360,816.37

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Solution

The fourth proportional to 28,122,869.30, 38,793,933.77 and 16,360,816.37 is: 22,568,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122,869.30 : 38,793,933.77 = 16,360,816.37 : x
  2. Step 2: Convert to fraction form
    28,122,869.30/38,793,933.77 = 16,360,816.37/x
  3. Step 3: Cross multiply
    28,122,869.30x = 38,793,933.77 × 16,360,816.37
  4. Step 4: Simplify right side
    28,122,869.30x = 634,700,426,405,138.12
  5. Step 5: Solve for x
    x = 634,700,426,405,138.12/28,122,869.30
  6. Step 6: Final answer
    x = 22,568,836.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.