Home / 25,027,728-34,538,264.64-13,581,456

Finding the Fourth Proportional to 25,027,728, 34,538,264.64 and 13,581,456

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Solution

The fourth proportional to 25,027,728, 34,538,264.64 and 13,581,456 is: 18,742,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,027,728 : 34,538,264.64 = 13,581,456 : x
  2. Step 2: Convert to fraction form
    25,027,728/34,538,264.64 = 13,581,456/x
  3. Step 3: Cross multiply
    25,027,728x = 34,538,264.64 × 13,581,456
  4. Step 4: Simplify right side
    25,027,728x = 469,079,921,524,515.88
  5. Step 5: Solve for x
    x = 469,079,921,524,515.88/25,027,728
  6. Step 6: Final answer
    x = 18,742,409.28

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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.