Home / 28,890,208.88-43,338,054.36-8,140,574.96

Finding the Fourth Proportional to 28,890,208.88, 43,338,054.36 and 8,140,574.96

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Solution

The fourth proportional to 28,890,208.88, 43,338,054.36 and 8,140,574.96 is: 12,211,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,208.88 : 43,338,054.36 = 8,140,574.96 : x
  2. Step 2: Convert to fraction form
    28,890,208.88/43,338,054.36 = 8,140,574.96/x
  3. Step 3: Cross multiply
    28,890,208.88x = 43,338,054.36 × 8,140,574.96
  4. Step 4: Simplify right side
    28,890,208.88x = 352,796,680,138,134.81
  5. Step 5: Solve for x
    x = 352,796,680,138,134.81/28,890,208.88
  6. Step 6: Final answer
    x = 12,211,634.80

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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.