Home / 30,965,515.17-42,733,642.20-17,028,012.95

Finding the Fourth Proportional to 30,965,515.17, 42,733,642.20 and 17,028,012.95

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Solution

The fourth proportional to 30,965,515.17, 42,733,642.20 and 17,028,012.95 is: 23,499,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965,515.17 : 42,733,642.20 = 17,028,012.95 : x
  2. Step 2: Convert to fraction form
    30,965,515.17/42,733,642.20 = 17,028,012.95/x
  3. Step 3: Cross multiply
    30,965,515.17x = 42,733,642.20 × 17,028,012.95
  4. Step 4: Simplify right side
    30,965,515.17x = 727,669,012,568,598.38
  5. Step 5: Solve for x
    x = 727,669,012,568,598.38/30,965,515.17
  6. Step 6: Final answer
    x = 23,499,334.94

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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.