Home / 12,448,782.45-18,673,208.41-4,774,779.58

Finding the Fourth Proportional to 12,448,782.45, 18,673,208.41 and 4,774,779.58

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Solution

The fourth proportional to 12,448,782.45, 18,673,208.41 and 4,774,779.58 is: 7,162,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,782.45 : 18,673,208.41 = 4,774,779.58 : x
  2. Step 2: Convert to fraction form
    12,448,782.45/18,673,208.41 = 4,774,779.58/x
  3. Step 3: Cross multiply
    12,448,782.45x = 18,673,208.41 × 4,774,779.58
  4. Step 4: Simplify right side
    12,448,782.45x = 89,160,454,234,505.14
  5. Step 5: Solve for x
    x = 89,160,454,234,505.14/12,448,782.45
  6. Step 6: Final answer
    x = 7,162,182.69

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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.