Home / 12,024,005.70-18,036,008.55-7,992,927.30

Finding the Fourth Proportional to 12,024,005.70, 18,036,008.55 and 7,992,927.30

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Solution

The fourth proportional to 12,024,005.70, 18,036,008.55 and 7,992,927.30 is: 11,989,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024,005.70 : 18,036,008.55 = 7,992,927.30 : x
  2. Step 2: Convert to fraction form
    12,024,005.70/18,036,008.55 = 7,992,927.30/x
  3. Step 3: Cross multiply
    12,024,005.70x = 18,036,008.55 × 7,992,927.30
  4. Step 4: Simplify right side
    12,024,005.70x = 144,160,505,122,328.41
  5. Step 5: Solve for x
    x = 144,160,505,122,328.41/12,024,005.70
  6. Step 6: Final answer
    x = 11,989,390.95

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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.