Home / 28,629,025.68-42,947,526.24-9,198,836.40

Finding the Fourth Proportional to 28,629,025.68, 42,947,526.24 and 9,198,836.40

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Solution

The fourth proportional to 28,629,025.68, 42,947,526.24 and 9,198,836.40 is: 13,799,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629,025.68 : 42,947,526.24 = 9,198,836.40 : x
  2. Step 2: Convert to fraction form
    28,629,025.68/42,947,526.24 = 9,198,836.40/x
  3. Step 3: Cross multiply
    28,629,025.68x = 42,947,526.24 × 9,198,836.40
  4. Step 4: Simplify right side
    28,629,025.68x = 395,067,267,666,467.19
  5. Step 5: Solve for x
    x = 395,067,267,666,467.19/28,629,025.68
  6. Step 6: Final answer
    x = 13,799,535.90

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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.