Home / 20,076,497.21-27,705,732.21-10,909,139.96

Finding the Fourth Proportional to 20,076,497.21, 27,705,732.21 and 10,909,139.96

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Solution

The fourth proportional to 20,076,497.21, 27,705,732.21 and 10,909,139.96 is: 15,054,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,497.21 : 27,705,732.21 = 10,909,139.96 : x
  2. Step 2: Convert to fraction form
    20,076,497.21/27,705,732.21 = 10,909,139.96/x
  3. Step 3: Cross multiply
    20,076,497.21x = 27,705,732.21 × 10,909,139.96
  4. Step 4: Simplify right side
    20,076,497.21x = 302,245,710,234,641.44
  5. Step 5: Solve for x
    x = 302,245,710,234,641.44/20,076,497.21
  6. Step 6: Final answer
    x = 15,054,703.38

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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.