Home / 13,797,272.36-19,048,128-9,157,349.64

Finding the Fourth Proportional to 13,797,272.36, 19,048,128 and 9,157,349.64

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Solution

The fourth proportional to 13,797,272.36, 19,048,128 and 9,157,349.64 is: 12,642,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797,272.36 : 19,048,128 = 9,157,349.64 : x
  2. Step 2: Convert to fraction form
    13,797,272.36/19,048,128 = 9,157,349.64/x
  3. Step 3: Cross multiply
    13,797,272.36x = 19,048,128 × 9,157,349.64
  4. Step 4: Simplify right side
    13,797,272.36x = 174,430,368,083,473.94
  5. Step 5: Solve for x
    x = 174,430,368,083,473.94/13,797,272.36
  6. Step 6: Final answer
    x = 12,642,380.58

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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.