Home / 18,723,005.40-28,084,508.10-16,632,816.60

Finding the Fourth Proportional to 18,723,005.40, 28,084,508.10 and 16,632,816.60

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Solution

The fourth proportional to 18,723,005.40, 28,084,508.10 and 16,632,816.60 is: 24,949,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,005.40 : 28,084,508.10 = 16,632,816.60 : x
  2. Step 2: Convert to fraction form
    18,723,005.40/28,084,508.10 = 16,632,816.60/x
  3. Step 3: Cross multiply
    18,723,005.40x = 28,084,508.10 × 16,632,816.60
  4. Step 4: Simplify right side
    18,723,005.40x = 467,124,472,528,514.50
  5. Step 5: Solve for x
    x = 467,124,472,528,514.50/18,723,005.40
  6. Step 6: Final answer
    x = 24,949,224.90

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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.