Home / 20,312,719.43-30,471,391.21-7,364,967.63

Finding the Fourth Proportional to 20,312,719.43, 30,471,391.21 and 7,364,967.63

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Solution

The fourth proportional to 20,312,719.43, 30,471,391.21 and 7,364,967.63 is: 11,048,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312,719.43 : 30,471,391.21 = 7,364,967.63 : x
  2. Step 2: Convert to fraction form
    20,312,719.43/30,471,391.21 = 7,364,967.63/x
  3. Step 3: Cross multiply
    20,312,719.43x = 30,471,391.21 × 7,364,967.63
  4. Step 4: Simplify right side
    20,312,719.43x = 224,420,809,778,653.41
  5. Step 5: Solve for x
    x = 224,420,809,778,653.41/20,312,719.43
  6. Step 6: Final answer
    x = 11,048,289.75

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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.