Home / 6,642,998.34-9,168,014.88-4,066,381.86

Finding the Fourth Proportional to 6,642,998.34, 9,168,014.88 and 4,066,381.86

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Solution

The fourth proportional to 6,642,998.34, 9,168,014.88 and 4,066,381.86 is: 5,612,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,998.34 : 9,168,014.88 = 4,066,381.86 : x
  2. Step 2: Convert to fraction form
    6,642,998.34/9,168,014.88 = 4,066,381.86/x
  3. Step 3: Cross multiply
    6,642,998.34x = 9,168,014.88 × 4,066,381.86
  4. Step 4: Simplify right side
    6,642,998.34x = 37,280,649,400,242.08
  5. Step 5: Solve for x
    x = 37,280,649,400,242.08/6,642,998.34
  6. Step 6: Final answer
    x = 5,612,021.48

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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.