Home / 28,608,954.80-42,876,107.40-13,254,465.20

Finding the Fourth Proportional to 28,608,954.80, 42,876,107.40 and 13,254,465.20

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Solution

The fourth proportional to 28,608,954.80, 42,876,107.40 and 13,254,465.20 is: 19,864,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,954.80 : 42,876,107.40 = 13,254,465.20 : x
  2. Step 2: Convert to fraction form
    28,608,954.80/42,876,107.40 = 13,254,465.20/x
  3. Step 3: Cross multiply
    28,608,954.80x = 42,876,107.40 × 13,254,465.20
  4. Step 4: Simplify right side
    28,608,954.80x = 568,299,873,444,762.38
  5. Step 5: Solve for x
    x = 568,299,873,444,762.38/28,608,954.80
  6. Step 6: Final answer
    x = 19,864,405.30

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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.