Home / 20,063,509.80-30,104,595.90-10,489,698.60

Finding the Fourth Proportional to 20,063,509.80, 30,104,595.90 and 10,489,698.60

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Solution

The fourth proportional to 20,063,509.80, 30,104,595.90 and 10,489,698.60 is: 15,739,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,509.80 : 30,104,595.90 = 10,489,698.60 : x
  2. Step 2: Convert to fraction form
    20,063,509.80/30,104,595.90 = 10,489,698.60/x
  3. Step 3: Cross multiply
    20,063,509.80x = 30,104,595.90 × 10,489,698.60
  4. Step 4: Simplify right side
    20,063,509.80x = 315,788,137,465,795.69
  5. Step 5: Solve for x
    x = 315,788,137,465,795.69/20,063,509.80
  6. Step 6: Final answer
    x = 15,739,426.48

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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.