Home / 20,219,504.70-30,266,271.45-14,550,800.70

Finding the Fourth Proportional to 20,219,504.70, 30,266,271.45 and 14,550,800.70

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Solution

The fourth proportional to 20,219,504.70, 30,266,271.45 and 14,550,800.70 is: 21,780,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,504.70 : 30,266,271.45 = 14,550,800.70 : x
  2. Step 2: Convert to fraction form
    20,219,504.70/30,266,271.45 = 14,550,800.70/x
  3. Step 3: Cross multiply
    20,219,504.70x = 30,266,271.45 × 14,550,800.70
  4. Step 4: Simplify right side
    20,219,504.70x = 440,398,483,801,050
  5. Step 5: Solve for x
    x = 440,398,483,801,050/20,219,504.70
  6. Step 6: Final answer
    x = 21,780,873.98

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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.