Home / 13,929,396.76-19,222,567.25-7,817,825.26

Finding the Fourth Proportional to 13,929,396.76, 19,222,567.25 and 7,817,825.26

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Solution

The fourth proportional to 13,929,396.76, 19,222,567.25 and 7,817,825.26 is: 10,788,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,396.76 : 19,222,567.25 = 7,817,825.26 : x
  2. Step 2: Convert to fraction form
    13,929,396.76/19,222,567.25 = 7,817,825.26/x
  3. Step 3: Cross multiply
    13,929,396.76x = 19,222,567.25 × 7,817,825.26
  4. Step 4: Simplify right side
    13,929,396.76x = 150,278,671,794,037.84
  5. Step 5: Solve for x
    x = 150,278,671,794,037.84/13,929,396.76
  6. Step 6: Final answer
    x = 10,788,598.70

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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.