Home / 21,980,820.96-30,298,496.16-17,327,021.67

Finding the Fourth Proportional to 21,980,820.96, 30,298,496.16 and 17,327,021.67

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Solution

The fourth proportional to 21,980,820.96, 30,298,496.16 and 17,327,021.67 is: 23,883,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980,820.96 : 30,298,496.16 = 17,327,021.67 : x
  2. Step 2: Convert to fraction form
    21,980,820.96/30,298,496.16 = 17,327,021.67/x
  3. Step 3: Cross multiply
    21,980,820.96x = 30,298,496.16 × 17,327,021.67
  4. Step 4: Simplify right side
    21,980,820.96x = 524,982,699,532,731.88
  5. Step 5: Solve for x
    x = 524,982,699,532,731.88/21,980,820.96
  6. Step 6: Final answer
    x = 23,883,671.16

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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.