Home / 28,677,312.80-43,015,969.20-25,542,029.60

Finding the Fourth Proportional to 28,677,312.80, 43,015,969.20 and 25,542,029.60

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Solution

The fourth proportional to 28,677,312.80, 43,015,969.20 and 25,542,029.60 is: 38,313,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,312.80 : 43,015,969.20 = 25,542,029.60 : x
  2. Step 2: Convert to fraction form
    28,677,312.80/43,015,969.20 = 25,542,029.60/x
  3. Step 3: Cross multiply
    28,677,312.80x = 43,015,969.20 × 25,542,029.60
  4. Step 4: Simplify right side
    28,677,312.80x = 1,098,715,158,579,088.50
  5. Step 5: Solve for x
    x = 1,098,715,158,579,088.50/28,677,312.80
  6. Step 6: Final answer
    x = 38,313,044.40

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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.