Home / 30,818,115.57-42,527,483.97-16,879,531.48

Finding the Fourth Proportional to 30,818,115.57, 42,527,483.97 and 16,879,531.48

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Solution

The fourth proportional to 30,818,115.57, 42,527,483.97 and 16,879,531.48 is: 23,292,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818,115.57 : 42,527,483.97 = 16,879,531.48 : x
  2. Step 2: Convert to fraction form
    30,818,115.57/42,527,483.97 = 16,879,531.48/x
  3. Step 3: Cross multiply
    30,818,115.57x = 42,527,483.97 × 16,879,531.48
  4. Step 4: Simplify right side
    30,818,115.57x = 717,844,004,436,810.38
  5. Step 5: Solve for x
    x = 717,844,004,436,810.38/30,818,115.57
  6. Step 6: Final answer
    x = 23,292,923.37

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1.5x scale

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.