Home / 28,971,232.80-43,456,849.20-18,893,536.80

Finding the Fourth Proportional to 28,971,232.80, 43,456,849.20 and 18,893,536.80

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Solution

The fourth proportional to 28,971,232.80, 43,456,849.20 and 18,893,536.80 is: 28,340,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,232.80 : 43,456,849.20 = 18,893,536.80 : x
  2. Step 2: Convert to fraction form
    28,971,232.80/43,456,849.20 = 18,893,536.80/x
  3. Step 3: Cross multiply
    28,971,232.80x = 43,456,849.20 × 18,893,536.80
  4. Step 4: Simplify right side
    28,971,232.80x = 821,053,579,572,250.62
  5. Step 5: Solve for x
    x = 821,053,579,572,250.62/28,971,232.80
  6. Step 6: Final answer
    x = 28,340,305.20

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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.