Home / 20,076,499.12-27,705,734.88-10,909,141.92

Finding the Fourth Proportional to 20,076,499.12, 27,705,734.88 and 10,909,141.92

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Solution

The fourth proportional to 20,076,499.12, 27,705,734.88 and 10,909,141.92 is: 15,054,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076,499.12 : 27,705,734.88 = 10,909,141.92 : x
  2. Step 2: Convert to fraction form
    20,076,499.12/27,705,734.88 = 10,909,141.92/x
  3. Step 3: Cross multiply
    20,076,499.12x = 27,705,734.88 × 10,909,141.92
  4. Step 4: Simplify right side
    20,076,499.12x = 302,245,793,803,814.12
  5. Step 5: Solve for x
    x = 302,245,793,803,814.12/20,076,499.12
  6. Step 6: Final answer
    x = 15,054,706.10

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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.