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Finding the Fourth Proportional to 10,576,978.20, 15,865,467.30 and 9,648,005.40

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Solution

The fourth proportional to 10,576,978.20, 15,865,467.30 and 9,648,005.40 is: 14,472,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576,978.20 : 15,865,467.30 = 9,648,005.40 : x
  2. Step 2: Convert to fraction form
    10,576,978.20/15,865,467.30 = 9,648,005.40/x
  3. Step 3: Cross multiply
    10,576,978.20x = 15,865,467.30 × 9,648,005.40
  4. Step 4: Simplify right side
    10,576,978.20x = 153,070,114,183,923.44
  5. Step 5: Solve for x
    x = 153,070,114,183,923.44/10,576,978.20
  6. Step 6: Final answer
    x = 14,472,008.10

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Why These Related Problems?

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