Home / 12,108,008.40-18,166,441.28-5,634,171.28

Finding the Fourth Proportional to 12,108,008.40, 18,166,441.28 and 5,634,171.28

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Solution

The fourth proportional to 12,108,008.40, 18,166,441.28 and 5,634,171.28 is: 8,453,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,008.40 : 18,166,441.28 = 5,634,171.28 : x
  2. Step 2: Convert to fraction form
    12,108,008.40/18,166,441.28 = 5,634,171.28/x
  3. Step 3: Cross multiply
    12,108,008.40x = 18,166,441.28 × 5,634,171.28
  4. Step 4: Simplify right side
    12,108,008.40x = 102,352,841,714,119.62
  5. Step 5: Solve for x
    x = 102,352,841,714,119.62/12,108,008.40
  6. Step 6: Final answer
    x = 8,453,317.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.