Home / 19,944,429.60-29,907,896.40-9,158,145.60

Finding the Fourth Proportional to 19,944,429.60, 29,907,896.40 and 9,158,145.60

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Solution

The fourth proportional to 19,944,429.60, 29,907,896.40 and 9,158,145.60 is: 13,733,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944,429.60 : 29,907,896.40 = 9,158,145.60 : x
  2. Step 2: Convert to fraction form
    19,944,429.60/29,907,896.40 = 9,158,145.60/x
  3. Step 3: Cross multiply
    19,944,429.60x = 29,907,896.40 × 9,158,145.60
  4. Step 4: Simplify right side
    19,944,429.60x = 273,900,869,820,915.81
  5. Step 5: Solve for x
    x = 273,900,869,820,915.81/19,944,429.60
  6. Step 6: Final answer
    x = 13,733,201.47

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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.