Home / 18,407,442.40-27,610,904.40-8,310,047.20

Finding the Fourth Proportional to 18,407,442.40, 27,610,904.40 and 8,310,047.20

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Solution

The fourth proportional to 18,407,442.40, 27,610,904.40 and 8,310,047.20 is: 12,464,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,442.40 : 27,610,904.40 = 8,310,047.20 : x
  2. Step 2: Convert to fraction form
    18,407,442.40/27,610,904.40 = 8,310,047.20/x
  3. Step 3: Cross multiply
    18,407,442.40x = 27,610,904.40 × 8,310,047.20
  4. Step 4: Simplify right side
    18,407,442.40x = 229,447,918,798,687.69
  5. Step 5: Solve for x
    x = 229,447,918,798,687.69/18,407,442.40
  6. Step 6: Final answer
    x = 12,464,953.78

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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.