Home / 9,990,235.48-13,786,524.80-5,406,556.86

Finding the Fourth Proportional to 9,990,235.48, 13,786,524.80 and 5,406,556.86

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Solution

The fourth proportional to 9,990,235.48, 13,786,524.80 and 5,406,556.86 is: 7,461,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,235.48 : 13,786,524.80 = 5,406,556.86 : x
  2. Step 2: Convert to fraction form
    9,990,235.48/13,786,524.80 = 5,406,556.86/x
  3. Step 3: Cross multiply
    9,990,235.48x = 13,786,524.80 × 5,406,556.86
  4. Step 4: Simplify right side
    9,990,235.48x = 74,537,630,233,000.14
  5. Step 5: Solve for x
    x = 74,537,630,233,000.14/9,990,235.48
  6. Step 6: Final answer
    x = 7,461,048.38

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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.