Home / 20,549,916-30,826,694.68-5,403,847.50

Finding the Fourth Proportional to 20,549,916, 30,826,694.68 and 5,403,847.50

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Solution

The fourth proportional to 20,549,916, 30,826,694.68 and 5,403,847.50 is: 8,106,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,916 : 30,826,694.68 = 5,403,847.50 : x
  2. Step 2: Convert to fraction form
    20,549,916/30,826,694.68 = 5,403,847.50/x
  3. Step 3: Cross multiply
    20,549,916x = 30,826,694.68 × 5,403,847.50
  4. Step 4: Simplify right side
    20,549,916x = 166,582,756,966,271.69
  5. Step 5: Solve for x
    x = 166,582,756,966,271.69/20,549,916
  6. Step 6: Final answer
    x = 8,106,250.02

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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.