Home / 12,909,342.70-17,815,212.40-7,029,299.24

Finding the Fourth Proportional to 12,909,342.70, 17,815,212.40 and 7,029,299.24

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Solution

The fourth proportional to 12,909,342.70, 17,815,212.40 and 7,029,299.24 is: 9,700,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,342.70 : 17,815,212.40 = 7,029,299.24 : x
  2. Step 2: Convert to fraction form
    12,909,342.70/17,815,212.40 = 7,029,299.24/x
  3. Step 3: Cross multiply
    12,909,342.70x = 17,815,212.40 × 7,029,299.24
  4. Step 4: Simplify right side
    12,909,342.70x = 125,228,458,983,758.56
  5. Step 5: Solve for x
    x = 125,228,458,983,758.56/12,909,342.70
  6. Step 6: Final answer
    x = 9,700,606.91

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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.