Home / 11,940,777.28-16,477,134.32-6,980,378.40

Finding the Fourth Proportional to 11,940,777.28, 16,477,134.32 and 6,980,378.40

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Solution

The fourth proportional to 11,940,777.28, 16,477,134.32 and 6,980,378.40 is: 9,632,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940,777.28 : 16,477,134.32 = 6,980,378.40 : x
  2. Step 2: Convert to fraction form
    11,940,777.28/16,477,134.32 = 6,980,378.40/x
  3. Step 3: Cross multiply
    11,940,777.28x = 16,477,134.32 × 6,980,378.40
  4. Step 4: Simplify right side
    11,940,777.28x = 115,016,632,501,226.70
  5. Step 5: Solve for x
    x = 115,016,632,501,226.70/11,940,777.28
  6. Step 6: Final answer
    x = 9,632,256.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.