Home / 17,484,128.80-26,212,196.40-7,378,439.20

Finding the Fourth Proportional to 17,484,128.80, 26,212,196.40 and 7,378,439.20

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Solution

The fourth proportional to 17,484,128.80, 26,212,196.40 and 7,378,439.20 is: 11,061,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,484,128.80 : 26,212,196.40 = 7,378,439.20 : x
  2. Step 2: Convert to fraction form
    17,484,128.80/26,212,196.40 = 7,378,439.20/x
  3. Step 3: Cross multiply
    17,484,128.80x = 26,212,196.40 × 7,378,439.20
  4. Step 4: Simplify right side
    17,484,128.80x = 193,405,097,435,858.88
  5. Step 5: Solve for x
    x = 193,405,097,435,858.88/17,484,128.80
  6. Step 6: Final answer
    x = 11,061,752.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.