Home / 20,054,989.35-30,033,423-18,114,077.88

Finding the Fourth Proportional to 20,054,989.35, 30,033,423 and 18,114,077.88

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Solution

The fourth proportional to 20,054,989.35, 30,033,423 and 18,114,077.88 is: 27,126,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,989.35 : 30,033,423 = 18,114,077.88 : x
  2. Step 2: Convert to fraction form
    20,054,989.35/30,033,423 = 18,114,077.88/x
  3. Step 3: Cross multiply
    20,054,989.35x = 30,033,423 × 18,114,077.88
  4. Step 4: Simplify right side
    20,054,989.35x = 544,027,763,224,983.19
  5. Step 5: Solve for x
    x = 544,027,763,224,983.19/20,054,989.35
  6. Step 6: Final answer
    x = 27,126,803.90

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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.