Home / 19,179,142.34-28,780,063.43-7,057,118.12

Finding the Fourth Proportional to 19,179,142.34, 28,780,063.43 and 7,057,118.12

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Solution

The fourth proportional to 19,179,142.34, 28,780,063.43 and 7,057,118.12 is: 10,589,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,142.34 : 28,780,063.43 = 7,057,118.12 : x
  2. Step 2: Convert to fraction form
    19,179,142.34/28,780,063.43 = 7,057,118.12/x
  3. Step 3: Cross multiply
    19,179,142.34x = 28,780,063.43 × 7,057,118.12
  4. Step 4: Simplify right side
    19,179,142.34x = 203,104,306,947,416.47
  5. Step 5: Solve for x
    x = 203,104,306,947,416.47/19,179,142.34
  6. Step 6: Final answer
    x = 10,589,853.47

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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.