Home / 12,878,171.10-19,317,256.65-3,294,299.70

Finding the Fourth Proportional to 12,878,171.10, 19,317,256.65 and 3,294,299.70

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Solution

The fourth proportional to 12,878,171.10, 19,317,256.65 and 3,294,299.70 is: 4,941,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,171.10 : 19,317,256.65 = 3,294,299.70 : x
  2. Step 2: Convert to fraction form
    12,878,171.10/19,317,256.65 = 3,294,299.70/x
  3. Step 3: Cross multiply
    12,878,171.10x = 19,317,256.65 × 3,294,299.70
  4. Step 4: Simplify right side
    12,878,171.10x = 63,636,832,786,918
  5. Step 5: Solve for x
    x = 63,636,832,786,918/12,878,171.10
  6. Step 6: Final answer
    x = 4,941,449.55

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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.