Home / 12,429,840.28-17,153,642.82-6,848,313.88

Finding the Fourth Proportional to 12,429,840.28, 17,153,642.82 and 6,848,313.88

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Solution

The fourth proportional to 12,429,840.28, 17,153,642.82 and 6,848,313.88 is: 9,450,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429,840.28 : 17,153,642.82 = 6,848,313.88 : x
  2. Step 2: Convert to fraction form
    12,429,840.28/17,153,642.82 = 6,848,313.88/x
  3. Step 3: Cross multiply
    12,429,840.28x = 17,153,642.82 × 6,848,313.88
  4. Step 4: Simplify right side
    12,429,840.28x = 117,473,530,216,768.34
  5. Step 5: Solve for x
    x = 117,473,530,216,768.34/12,429,840.28
  6. Step 6: Final answer
    x = 9,450,928.38

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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.