Home / 12,849,336.45-17,731,764.68-7,342,361.91

Finding the Fourth Proportional to 12,849,336.45, 17,731,764.68 and 7,342,361.91

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Solution

The fourth proportional to 12,849,336.45, 17,731,764.68 and 7,342,361.91 is: 10,132,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,336.45 : 17,731,764.68 = 7,342,361.91 : x
  2. Step 2: Convert to fraction form
    12,849,336.45/17,731,764.68 = 7,342,361.91/x
  3. Step 3: Cross multiply
    12,849,336.45x = 17,731,764.68 × 7,342,361.91
  4. Step 4: Simplify right side
    12,849,336.45x = 130,193,033,546,803.53
  5. Step 5: Solve for x
    x = 130,193,033,546,803.53/12,849,336.45
  6. Step 6: Final answer
    x = 10,132,276.80

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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.