Home / 13,956,031.20-20,935,429.20-4,856,728.80

Finding the Fourth Proportional to 13,956,031.20, 20,935,429.20 and 4,856,728.80

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Solution

The fourth proportional to 13,956,031.20, 20,935,429.20 and 4,856,728.80 is: 7,285,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956,031.20 : 20,935,429.20 = 4,856,728.80 : x
  2. Step 2: Convert to fraction form
    13,956,031.20/20,935,429.20 = 4,856,728.80/x
  3. Step 3: Cross multiply
    13,956,031.20x = 20,935,429.20 × 4,856,728.80
  4. Step 4: Simplify right side
    13,956,031.20x = 101,677,701,936,000.95
  5. Step 5: Solve for x
    x = 101,677,701,936,000.95/13,956,031.20
  6. Step 6: Final answer
    x = 7,285,574.28

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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.