Home / 13,365,921.32-18,444,989.22-7,254,350.60

Finding the Fourth Proportional to 13,365,921.32, 18,444,989.22 and 7,254,350.60

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Solution

The fourth proportional to 13,365,921.32, 18,444,989.22 and 7,254,350.60 is: 10,011,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,921.32 : 18,444,989.22 = 7,254,350.60 : x
  2. Step 2: Convert to fraction form
    13,365,921.32/18,444,989.22 = 7,254,350.60/x
  3. Step 3: Cross multiply
    13,365,921.32x = 18,444,989.22 × 7,254,350.60
  4. Step 4: Simplify right side
    13,365,921.32x = 133,806,418,615,100.52
  5. Step 5: Solve for x
    x = 133,806,418,615,100.52/13,365,921.32
  6. Step 6: Final answer
    x = 10,011,013.49

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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.