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Finding the Fourth Proportional to 13,009,978.70, 17,953,753.02 and 7,209,136.16

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Solution

The fourth proportional to 13,009,978.70, 17,953,753.02 and 7,209,136.16 is: 9,948,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,978.70 : 17,953,753.02 = 7,209,136.16 : x
  2. Step 2: Convert to fraction form
    13,009,978.70/17,953,753.02 = 7,209,136.16/x
  3. Step 3: Cross multiply
    13,009,978.70x = 17,953,753.02 × 7,209,136.16
  4. Step 4: Simplify right side
    13,009,978.70x = 129,431,050,104,191.20
  5. Step 5: Solve for x
    x = 129,431,050,104,191.20/13,009,978.70
  6. Step 6: Final answer
    x = 9,948,598.16

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