Home / 12,556,605.74-18,825,328.50-5,728,403.68

Finding the Fourth Proportional to 12,556,605.74, 18,825,328.50 and 5,728,403.68

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Solution

The fourth proportional to 12,556,605.74, 18,825,328.50 and 5,728,403.68 is: 8,588,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,605.74 : 18,825,328.50 = 5,728,403.68 : x
  2. Step 2: Convert to fraction form
    12,556,605.74/18,825,328.50 = 5,728,403.68/x
  3. Step 3: Cross multiply
    12,556,605.74x = 18,825,328.50 × 5,728,403.68
  4. Step 4: Simplify right side
    12,556,605.74x = 107,839,081,056,608.88
  5. Step 5: Solve for x
    x = 107,839,081,056,608.88/12,556,605.74
  6. Step 6: Final answer
    x = 8,588,235.01

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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.