Home / 18,365,455.32-27,548,203.56-4,718,714.76

Finding the Fourth Proportional to 18,365,455.32, 27,548,203.56 and 4,718,714.76

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Solution

The fourth proportional to 18,365,455.32, 27,548,203.56 and 4,718,714.76 is: 7,078,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,455.32 : 27,548,203.56 = 4,718,714.76 : x
  2. Step 2: Convert to fraction form
    18,365,455.32/27,548,203.56 = 4,718,714.76/x
  3. Step 3: Cross multiply
    18,365,455.32x = 27,548,203.56 × 4,718,714.76
  4. Step 4: Simplify right side
    18,365,455.32x = 129,992,114,750,056.53
  5. Step 5: Solve for x
    x = 129,992,114,750,056.53/18,365,455.32
  6. Step 6: Final answer
    x = 7,078,077.43

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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.