Home / 28,610,620.56-39,481,454.52-16,221,547.44

Finding the Fourth Proportional to 28,610,620.56, 39,481,454.52 and 16,221,547.44

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Solution

The fourth proportional to 28,610,620.56, 39,481,454.52 and 16,221,547.44 is: 22,385,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610,620.56 : 39,481,454.52 = 16,221,547.44 : x
  2. Step 2: Convert to fraction form
    28,610,620.56/39,481,454.52 = 16,221,547.44/x
  3. Step 3: Cross multiply
    28,610,620.56x = 39,481,454.52 × 16,221,547.44
  4. Step 4: Simplify right side
    28,610,620.56x = 640,450,287,496,382.50
  5. Step 5: Solve for x
    x = 640,450,287,496,382.50/28,610,620.56
  6. Step 6: Final answer
    x = 22,385,054.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.