Home / 19,172,467.76-28,759,292.12-8,384,215.46

Finding the Fourth Proportional to 19,172,467.76, 28,759,292.12 and 8,384,215.46

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Solution

The fourth proportional to 19,172,467.76, 28,759,292.12 and 8,384,215.46 is: 12,576,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,467.76 : 28,759,292.12 = 8,384,215.46 : x
  2. Step 2: Convert to fraction form
    19,172,467.76/28,759,292.12 = 8,384,215.46/x
  3. Step 3: Cross multiply
    19,172,467.76x = 28,759,292.12 × 8,384,215.46
  4. Step 4: Simplify right side
    19,172,467.76x = 241,124,101,611,160.19
  5. Step 5: Solve for x
    x = 241,124,101,611,160.19/19,172,467.76
  6. Step 6: Final answer
    x = 12,576,581.41

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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.