Home / 18,909,658.20-28,301,501.70-16,642,176.60

Finding the Fourth Proportional to 18,909,658.20, 28,301,501.70 and 16,642,176.60

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Solution

The fourth proportional to 18,909,658.20, 28,301,501.70 and 16,642,176.60 is: 24,907,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909,658.20 : 28,301,501.70 = 16,642,176.60 : x
  2. Step 2: Convert to fraction form
    18,909,658.20/28,301,501.70 = 16,642,176.60/x
  3. Step 3: Cross multiply
    18,909,658.20x = 28,301,501.70 × 16,642,176.60
  4. Step 4: Simplify right side
    18,909,658.20x = 470,998,589,336,600.19
  5. Step 5: Solve for x
    x = 470,998,589,336,600.19/18,909,658.20
  6. Step 6: Final answer
    x = 24,907,831.98

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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.