Home / 18,409,844.36-27,610,337.86-5,630,459.78

Finding the Fourth Proportional to 18,409,844.36, 27,610,337.86 and 5,630,459.78

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Solution

The fourth proportional to 18,409,844.36, 27,610,337.86 and 5,630,459.78 is: 8,444,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,844.36 : 27,610,337.86 = 5,630,459.78 : x
  2. Step 2: Convert to fraction form
    18,409,844.36/27,610,337.86 = 5,630,459.78/x
  3. Step 3: Cross multiply
    18,409,844.36x = 27,610,337.86 × 5,630,459.78
  4. Step 4: Simplify right side
    18,409,844.36x = 155,458,896,887,890.97
  5. Step 5: Solve for x
    x = 155,458,896,887,890.97/18,409,844.36
  6. Step 6: Final answer
    x = 8,444,335.21

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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.