Home / 12,163,601.36-18,240,261.56-3,645,150.16

Finding the Fourth Proportional to 12,163,601.36, 18,240,261.56 and 3,645,150.16

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Solution

The fourth proportional to 12,163,601.36, 18,240,261.56 and 3,645,150.16 is: 5,466,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163,601.36 : 18,240,261.56 = 3,645,150.16 : x
  2. Step 2: Convert to fraction form
    12,163,601.36/18,240,261.56 = 3,645,150.16/x
  3. Step 3: Cross multiply
    12,163,601.36x = 18,240,261.56 × 3,645,150.16
  4. Step 4: Simplify right side
    12,163,601.36x = 66,488,492,343,875.84
  5. Step 5: Solve for x
    x = 66,488,492,343,875.84/12,163,601.36
  6. Step 6: Final answer
    x = 5,466,184.76

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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.