Home / 18,346,420.79-25,318,076.88-10,086,623.60

Finding the Fourth Proportional to 18,346,420.79, 25,318,076.88 and 10,086,623.60

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Solution

The fourth proportional to 18,346,420.79, 25,318,076.88 and 10,086,623.60 is: 13,919,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,420.79 : 25,318,076.88 = 10,086,623.60 : x
  2. Step 2: Convert to fraction form
    18,346,420.79/25,318,076.88 = 10,086,623.60/x
  3. Step 3: Cross multiply
    18,346,420.79x = 25,318,076.88 × 10,086,623.60
  4. Step 4: Simplify right side
    18,346,420.79x = 255,373,911,764,422.34
  5. Step 5: Solve for x
    x = 255,373,911,764,422.34/18,346,420.79
  6. Step 6: Final answer
    x = 13,919,549.47

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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.