Home / 10,378,807.20-15,562,187.73-4,913,856.14

Finding the Fourth Proportional to 10,378,807.20, 15,562,187.73 and 4,913,856.14

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Solution

The fourth proportional to 10,378,807.20, 15,562,187.73 and 4,913,856.14 is: 7,367,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,807.20 : 15,562,187.73 = 4,913,856.14 : x
  2. Step 2: Convert to fraction form
    10,378,807.20/15,562,187.73 = 4,913,856.14/x
  3. Step 3: Cross multiply
    10,378,807.20x = 15,562,187.73 × 4,913,856.14
  4. Step 4: Simplify right side
    10,378,807.20x = 76,470,351,651,082.22
  5. Step 5: Solve for x
    x = 76,470,351,651,082.22/10,378,807.20
  6. Step 6: Final answer
    x = 7,367,932.57

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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.