Home / 30,458,288.86-45,664,711.27-18,324,909.45

Finding the Fourth Proportional to 30,458,288.86, 45,664,711.27 and 18,324,909.45

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Solution

The fourth proportional to 30,458,288.86, 45,664,711.27 and 18,324,909.45 is: 27,473,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458,288.86 : 45,664,711.27 = 18,324,909.45 : x
  2. Step 2: Convert to fraction form
    30,458,288.86/45,664,711.27 = 18,324,909.45/x
  3. Step 3: Cross multiply
    30,458,288.86x = 45,664,711.27 × 18,324,909.45
  4. Step 4: Simplify right side
    30,458,288.86x = 836,801,699,037,332.12
  5. Step 5: Solve for x
    x = 836,801,699,037,332.12/30,458,288.86
  6. Step 6: Final answer
    x = 27,473,693.71

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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.