Home / 21,525,690.96-29,704,597.90-12,707,982.57

Finding the Fourth Proportional to 21,525,690.96, 29,704,597.90 and 12,707,982.57

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Solution

The fourth proportional to 21,525,690.96, 29,704,597.90 and 12,707,982.57 is: 17,536,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,690.96 : 29,704,597.90 = 12,707,982.57 : x
  2. Step 2: Convert to fraction form
    21,525,690.96/29,704,597.90 = 12,707,982.57/x
  3. Step 3: Cross multiply
    21,525,690.96x = 29,704,597.90 × 12,707,982.57
  4. Step 4: Simplify right side
    21,525,690.96x = 377,485,512,298,518.69
  5. Step 5: Solve for x
    x = 377,485,512,298,518.69/21,525,690.96
  6. Step 6: Final answer
    x = 17,536,510.82

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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.