Home / 30,807,734.54-42,515,819.80-17,579,065.10

Finding the Fourth Proportional to 30,807,734.54, 42,515,819.80 and 17,579,065.10

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Solution

The fourth proportional to 30,807,734.54, 42,515,819.80 and 17,579,065.10 is: 24,259,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807,734.54 : 42,515,819.80 = 17,579,065.10 : x
  2. Step 2: Convert to fraction form
    30,807,734.54/42,515,819.80 = 17,579,065.10/x
  3. Step 3: Cross multiply
    30,807,734.54x = 42,515,819.80 × 17,579,065.10
  4. Step 4: Simplify right side
    30,807,734.54x = 747,388,363,787,542.12
  5. Step 5: Solve for x
    x = 747,388,363,787,542.12/30,807,734.54
  6. Step 6: Final answer
    x = 24,259,763.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.