Home / 15,762,226.86-21,751,379.55-9,240,200.15

Finding the Fourth Proportional to 15,762,226.86, 21,751,379.55 and 9,240,200.15

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Solution

The fourth proportional to 15,762,226.86, 21,751,379.55 and 9,240,200.15 is: 12,751,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,226.86 : 21,751,379.55 = 9,240,200.15 : x
  2. Step 2: Convert to fraction form
    15,762,226.86/21,751,379.55 = 9,240,200.15/x
  3. Step 3: Cross multiply
    15,762,226.86x = 21,751,379.55 × 9,240,200.15
  4. Step 4: Simplify right side
    15,762,226.86x = 200,987,100,471,860.03
  5. Step 5: Solve for x
    x = 200,987,100,471,860.03/15,762,226.86
  6. Step 6: Final answer
    x = 12,751,186.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.