Home / 20,464,510.58-28,240,851.39-11,296,956.50

Finding the Fourth Proportional to 20,464,510.58, 28,240,851.39 and 11,296,956.50

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Solution

The fourth proportional to 20,464,510.58, 28,240,851.39 and 11,296,956.50 is: 15,589,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,510.58 : 28,240,851.39 = 11,296,956.50 : x
  2. Step 2: Convert to fraction form
    20,464,510.58/28,240,851.39 = 11,296,956.50/x
  3. Step 3: Cross multiply
    20,464,510.58x = 28,240,851.39 × 11,296,956.50
  4. Step 4: Simplify right side
    20,464,510.58x = 319,035,669,675,794.56
  5. Step 5: Solve for x
    x = 319,035,669,675,794.56/20,464,510.58
  6. Step 6: Final answer
    x = 15,589,704.35

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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.