Home / 20,218,303.45-30,335,749.58-7,444,927.45

Finding the Fourth Proportional to 20,218,303.45, 30,335,749.58 and 7,444,927.45

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Solution

The fourth proportional to 20,218,303.45, 30,335,749.58 and 7,444,927.45 is: 11,170,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,303.45 : 30,335,749.58 = 7,444,927.45 : x
  2. Step 2: Convert to fraction form
    20,218,303.45/30,335,749.58 = 7,444,927.45/x
  3. Step 3: Cross multiply
    20,218,303.45x = 30,335,749.58 × 7,444,927.45
  4. Step 4: Simplify right side
    20,218,303.45x = 225,847,454,764,467.97
  5. Step 5: Solve for x
    x = 225,847,454,764,467.97/20,218,303.45
  6. Step 6: Final answer
    x = 11,170,445.40

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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.