Home / 12,949,531.70-19,424,297.55-4,429,109.30

Finding the Fourth Proportional to 12,949,531.70, 19,424,297.55 and 4,429,109.30

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Solution

The fourth proportional to 12,949,531.70, 19,424,297.55 and 4,429,109.30 is: 6,643,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,531.70 : 19,424,297.55 = 4,429,109.30 : x
  2. Step 2: Convert to fraction form
    12,949,531.70/19,424,297.55 = 4,429,109.30/x
  3. Step 3: Cross multiply
    12,949,531.70x = 19,424,297.55 × 4,429,109.30
  4. Step 4: Simplify right side
    12,949,531.70x = 86,032,336,924,672.22
  5. Step 5: Solve for x
    x = 86,032,336,924,672.22/12,949,531.70
  6. Step 6: Final answer
    x = 6,643,663.95

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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.