Home / 20,076,495.71-27,705,730.14-10,909,138.46

Finding the Fourth Proportional to 20,076,495.71, 27,705,730.14 and 10,909,138.46

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Solution

The fourth proportional to 20,076,495.71, 27,705,730.14 and 10,909,138.46 is: 15,054,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,495.71 : 27,705,730.14 = 10,909,138.46 : x
  2. Step 2: Convert to fraction form
    20,076,495.71/27,705,730.14 = 10,909,138.46/x
  3. Step 3: Cross multiply
    20,076,495.71x = 27,705,730.14 × 10,909,138.46
  4. Step 4: Simplify right side
    20,076,495.71x = 302,245,646,094,126.56
  5. Step 5: Solve for x
    x = 302,245,646,094,126.56/20,076,495.71
  6. Step 6: Final answer
    x = 15,054,701.31

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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.