Home / 12,929,961.84-19,407,564.56-10,678,423.44

Finding the Fourth Proportional to 12,929,961.84, 19,407,564.56 and 10,678,423.44

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Solution

The fourth proportional to 12,929,961.84, 19,407,564.56 and 10,678,423.44 is: 16,028,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,961.84 : 19,407,564.56 = 10,678,423.44 : x
  2. Step 2: Convert to fraction form
    12,929,961.84/19,407,564.56 = 10,678,423.44/x
  3. Step 3: Cross multiply
    12,929,961.84x = 19,407,564.56 × 10,678,423.44
  4. Step 4: Simplify right side
    12,929,961.84x = 207,242,192,310,817.25
  5. Step 5: Solve for x
    x = 207,242,192,310,817.25/12,929,961.84
  6. Step 6: Final answer
    x = 16,028,059.08

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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.