Home / 18,461,449.20-27,692,173.80-13,359,615.60

Finding the Fourth Proportional to 18,461,449.20, 27,692,173.80 and 13,359,615.60

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Solution

The fourth proportional to 18,461,449.20, 27,692,173.80 and 13,359,615.60 is: 20,039,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,449.20 : 27,692,173.80 = 13,359,615.60 : x
  2. Step 2: Convert to fraction form
    18,461,449.20/27,692,173.80 = 13,359,615.60/x
  3. Step 3: Cross multiply
    18,461,449.20x = 27,692,173.80 × 13,359,615.60
  4. Step 4: Simplify right side
    18,461,449.20x = 369,956,797,096,391.25
  5. Step 5: Solve for x
    x = 369,956,797,096,391.25/18,461,449.20
  6. Step 6: Final answer
    x = 20,039,423.40

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1.5x scale

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.