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Finding the Fourth Proportional to 13,869,337.60, 20,804,071.20 and 4,893,889.60

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Solution

The fourth proportional to 13,869,337.60, 20,804,071.20 and 4,893,889.60 is: 7,340,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,337.60 : 20,804,071.20 = 4,893,889.60 : x
  2. Step 2: Convert to fraction form
    13,869,337.60/20,804,071.20 = 4,893,889.60/x
  3. Step 3: Cross multiply
    13,869,337.60x = 20,804,071.20 × 4,893,889.60
  4. Step 4: Simplify right side
    13,869,337.60x = 101,812,827,683,339.52
  5. Step 5: Solve for x
    x = 101,812,827,683,339.52/13,869,337.60
  6. Step 6: Final answer
    x = 7,340,857.27

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