Home / 28,965,800.80-43,336,726.80-18,888,104.80

Finding the Fourth Proportional to 28,965,800.80, 43,336,726.80 and 18,888,104.80

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Solution

The fourth proportional to 28,965,800.80, 43,336,726.80 and 18,888,104.80 is: 28,259,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,800.80 : 43,336,726.80 = 18,888,104.80 : x
  2. Step 2: Convert to fraction form
    28,965,800.80/43,336,726.80 = 18,888,104.80/x
  3. Step 3: Cross multiply
    28,965,800.80x = 43,336,726.80 × 18,888,104.80
  4. Step 4: Simplify right side
    28,965,800.80x = 818,548,637,487,368.62
  5. Step 5: Solve for x
    x = 818,548,637,487,368.62/28,965,800.80
  6. Step 6: Final answer
    x = 28,259,140.60

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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.