Home / 30,855,850.99-42,581,488.84-16,917,172.33

Finding the Fourth Proportional to 30,855,850.99, 42,581,488.84 and 16,917,172.33

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Solution

The fourth proportional to 30,855,850.99, 42,581,488.84 and 16,917,172.33 is: 23,345,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855,850.99 : 42,581,488.84 = 16,917,172.33 : x
  2. Step 2: Convert to fraction form
    30,855,850.99/42,581,488.84 = 16,917,172.33/x
  3. Step 3: Cross multiply
    30,855,850.99x = 42,581,488.84 × 16,917,172.33
  4. Step 4: Simplify right side
    30,855,850.99x = 720,358,384,774,251.75
  5. Step 5: Solve for x
    x = 720,358,384,774,251.75/30,855,850.99
  6. Step 6: Final answer
    x = 23,345,925.06

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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.