Home / 20,197,300.86-27,872,377.47-11,029,943.34

Finding the Fourth Proportional to 20,197,300.86, 27,872,377.47 and 11,029,943.34

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Solution

The fourth proportional to 20,197,300.86, 27,872,377.47 and 11,029,943.34 is: 15,221,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,300.86 : 27,872,377.47 = 11,029,943.34 : x
  2. Step 2: Convert to fraction form
    20,197,300.86/27,872,377.47 = 11,029,943.34/x
  3. Step 3: Cross multiply
    20,197,300.86x = 27,872,377.47 × 11,029,943.34
  4. Step 4: Simplify right side
    20,197,300.86x = 307,430,744,245,192.56
  5. Step 5: Solve for x
    x = 307,430,744,245,192.56/20,197,300.86
  6. Step 6: Final answer
    x = 15,221,377.67

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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.