Home / 20,254,711.20-30,396,063.60-14,579,786.40

Finding the Fourth Proportional to 20,254,711.20, 30,396,063.60 and 14,579,786.40

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Solution

The fourth proportional to 20,254,711.20, 30,396,063.60 and 14,579,786.40 is: 21,879,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254,711.20 : 30,396,063.60 = 14,579,786.40 : x
  2. Step 2: Convert to fraction form
    20,254,711.20/30,396,063.60 = 14,579,786.40/x
  3. Step 3: Cross multiply
    20,254,711.20x = 30,396,063.60 × 14,579,786.40
  4. Step 4: Simplify right side
    20,254,711.20x = 443,168,114,688,815.06
  5. Step 5: Solve for x
    x = 443,168,114,688,815.06/20,254,711.20
  6. Step 6: Final answer
    x = 21,879,754.80

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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.