Home / 20,346,183.24-30,518,038.86-7,216,251.72

Finding the Fourth Proportional to 20,346,183.24, 30,518,038.86 and 7,216,251.72

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Solution

The fourth proportional to 20,346,183.24, 30,518,038.86 and 7,216,251.72 is: 10,823,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,183.24 : 30,518,038.86 = 7,216,251.72 : x
  2. Step 2: Convert to fraction form
    20,346,183.24/30,518,038.86 = 7,216,251.72/x
  3. Step 3: Cross multiply
    20,346,183.24x = 30,518,038.86 × 7,216,251.72
  4. Step 4: Simplify right side
    20,346,183.24x = 220,225,850,414,501.81
  5. Step 5: Solve for x
    x = 220,225,850,414,501.81/20,346,183.24
  6. Step 6: Final answer
    x = 10,823,939.20

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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.