Home / 42,673,814.82-63,946,063.17-28,245,191.67

Finding the Fourth Proportional to 42,673,814.82, 63,946,063.17 and 28,245,191.67

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Solution

The fourth proportional to 42,673,814.82, 63,946,063.17 and 28,245,191.67 is: 42,324,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,673,814.82 : 63,946,063.17 = 28,245,191.67 : x
  2. Step 2: Convert to fraction form
    42,673,814.82/63,946,063.17 = 28,245,191.67/x
  3. Step 3: Cross multiply
    42,673,814.82x = 63,946,063.17 × 28,245,191.67
  4. Step 4: Simplify right side
    42,673,814.82x = 1,806,168,810,778,578
  5. Step 5: Solve for x
    x = 1,806,168,810,778,578/42,673,814.82
  6. Step 6: Final answer
    x = 42,324,990.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.