Home / 20,107,556.01-30,165,999.62-6,643,567.53

Finding the Fourth Proportional to 20,107,556.01, 30,165,999.62 and 6,643,567.53

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Solution

The fourth proportional to 20,107,556.01, 30,165,999.62 and 6,643,567.53 is: 9,966,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107,556.01 : 30,165,999.62 = 6,643,567.53 : x
  2. Step 2: Convert to fraction form
    20,107,556.01/30,165,999.62 = 6,643,567.53/x
  3. Step 3: Cross multiply
    20,107,556.01x = 30,165,999.62 × 6,643,567.53
  4. Step 4: Simplify right side
    20,107,556.01x = 200,409,855,552,206.50
  5. Step 5: Solve for x
    x = 200,409,855,552,206.50/20,107,556.01
  6. Step 6: Final answer
    x = 9,966,892.82

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1.5x scale

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.