Home / 21,307,697.28-29,397,419.84-12,133,834.88

Finding the Fourth Proportional to 21,307,697.28, 29,397,419.84 and 12,133,834.88

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Solution

The fourth proportional to 21,307,697.28, 29,397,419.84 and 12,133,834.88 is: 16,740,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307,697.28 : 29,397,419.84 = 12,133,834.88 : x
  2. Step 2: Convert to fraction form
    21,307,697.28/29,397,419.84 = 12,133,834.88/x
  3. Step 3: Cross multiply
    21,307,697.28x = 29,397,419.84 × 12,133,834.88
  4. Step 4: Simplify right side
    21,307,697.28x = 356,703,438,236,596.06
  5. Step 5: Solve for x
    x = 356,703,438,236,596.06/21,307,697.28
  6. Step 6: Final answer
    x = 16,740,590.67

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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.