Home / 21,794,423.70-30,075,193.68-12,004,657.20

Finding the Fourth Proportional to 21,794,423.70, 30,075,193.68 and 12,004,657.20

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Solution

The fourth proportional to 21,794,423.70, 30,075,193.68 and 12,004,657.20 is: 16,565,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,423.70 : 30,075,193.68 = 12,004,657.20 : x
  2. Step 2: Convert to fraction form
    21,794,423.70/30,075,193.68 = 12,004,657.20/x
  3. Step 3: Cross multiply
    21,794,423.70x = 30,075,193.68 × 12,004,657.20
  4. Step 4: Simplify right side
    21,794,423.70x = 361,042,390,352,006.50
  5. Step 5: Solve for x
    x = 361,042,390,352,006.50/21,794,423.70
  6. Step 6: Final answer
    x = 16,565,814.97

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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.