Home / 30,436,267.41-42,004,706.24-16,687,888.74

Finding the Fourth Proportional to 30,436,267.41, 42,004,706.24 and 16,687,888.74

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Solution

The fourth proportional to 30,436,267.41, 42,004,706.24 and 16,687,888.74 is: 23,030,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,267.41 : 42,004,706.24 = 16,687,888.74 : x
  2. Step 2: Convert to fraction form
    30,436,267.41/42,004,706.24 = 16,687,888.74/x
  3. Step 3: Cross multiply
    30,436,267.41x = 42,004,706.24 × 16,687,888.74
  4. Step 4: Simplify right side
    30,436,267.41x = 700,969,864,206,064.25
  5. Step 5: Solve for x
    x = 700,969,864,206,064.25/30,436,267.41
  6. Step 6: Final answer
    x = 23,030,743.38

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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.