Home / 13,395,957.36-18,485,858.80-7,595,129.40

Finding the Fourth Proportional to 13,395,957.36, 18,485,858.80 and 7,595,129.40

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Solution

The fourth proportional to 13,395,957.36, 18,485,858.80 and 7,595,129.40 is: 10,480,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,957.36 : 18,485,858.80 = 7,595,129.40 : x
  2. Step 2: Convert to fraction form
    13,395,957.36/18,485,858.80 = 7,595,129.40/x
  3. Step 3: Cross multiply
    13,395,957.36x = 18,485,858.80 × 7,595,129.40
  4. Step 4: Simplify right side
    13,395,957.36x = 140,402,489,656,128.73
  5. Step 5: Solve for x
    x = 140,402,489,656,128.73/13,395,957.36
  6. Step 6: Final answer
    x = 10,480,959.73

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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.