Home / 20,076,496.46-27,705,731.19-10,909,139.21

Finding the Fourth Proportional to 20,076,496.46, 27,705,731.19 and 10,909,139.21

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Solution

The fourth proportional to 20,076,496.46, 27,705,731.19 and 10,909,139.21 is: 15,054,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,496.46 : 27,705,731.19 = 10,909,139.21 : x
  2. Step 2: Convert to fraction form
    20,076,496.46/27,705,731.19 = 10,909,139.21/x
  3. Step 3: Cross multiply
    20,076,496.46x = 27,705,731.19 × 10,909,139.21
  4. Step 4: Simplify right side
    20,076,496.46x = 302,245,678,391,007.56
  5. Step 5: Solve for x
    x = 302,245,678,391,007.56/20,076,496.46
  6. Step 6: Final answer
    x = 15,054,702.35

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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.