Home / 31,889,978.56-47,823,157.86-10,318,985.20

Finding the Fourth Proportional to 31,889,978.56, 47,823,157.86 and 10,318,985.20

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Solution

The fourth proportional to 31,889,978.56, 47,823,157.86 and 10,318,985.20 is: 15,474,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889,978.56 : 47,823,157.86 = 10,318,985.20 : x
  2. Step 2: Convert to fraction form
    31,889,978.56/47,823,157.86 = 10,318,985.20/x
  3. Step 3: Cross multiply
    31,889,978.56x = 47,823,157.86 × 10,318,985.20
  4. Step 4: Simplify right side
    31,889,978.56x = 493,486,458,174,603.62
  5. Step 5: Solve for x
    x = 493,486,458,174,603.62/31,889,978.56
  6. Step 6: Final answer
    x = 15,474,656.32

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Why These Related Problems?

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