Home / 30,718,729.99-42,391,037.96-16,967,398.87

Finding the Fourth Proportional to 30,718,729.99, 42,391,037.96 and 16,967,398.87

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Solution

The fourth proportional to 30,718,729.99, 42,391,037.96 and 16,967,398.87 is: 23,414,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,729.99 : 42,391,037.96 = 16,967,398.87 : x
  2. Step 2: Convert to fraction form
    30,718,729.99/42,391,037.96 = 16,967,398.87/x
  3. Step 3: Cross multiply
    30,718,729.99x = 42,391,037.96 × 16,967,398.87
  4. Step 4: Simplify right side
    30,718,729.99x = 719,265,649,368,675.88
  5. Step 5: Solve for x
    x = 719,265,649,368,675.88/30,718,729.99
  6. Step 6: Final answer
    x = 23,414,563.35

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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.