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Finding the Fourth Proportional to 14,679,978.30, 22,019,967.45 and 13,357,280.70

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Solution

The fourth proportional to 14,679,978.30, 22,019,967.45 and 13,357,280.70 is: 20,035,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679,978.30 : 22,019,967.45 = 13,357,280.70 : x
  2. Step 2: Convert to fraction form
    14,679,978.30/22,019,967.45 = 13,357,280.70/x
  3. Step 3: Cross multiply
    14,679,978.30x = 22,019,967.45 × 13,357,280.70
  4. Step 4: Simplify right side
    14,679,978.30x = 294,126,886,234,513.19
  5. Step 5: Solve for x
    x = 294,126,886,234,513.19/14,679,978.30
  6. Step 6: Final answer
    x = 20,035,921.05

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