Home / 20,784,704.40-31,177,056.60-9,447,296.40

Finding the Fourth Proportional to 20,784,704.40, 31,177,056.60 and 9,447,296.40

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Solution

The fourth proportional to 20,784,704.40, 31,177,056.60 and 9,447,296.40 is: 14,170,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784,704.40 : 31,177,056.60 = 9,447,296.40 : x
  2. Step 2: Convert to fraction form
    20,784,704.40/31,177,056.60 = 9,447,296.40/x
  3. Step 3: Cross multiply
    20,784,704.40x = 31,177,056.60 × 9,447,296.40
  4. Step 4: Simplify right side
    20,784,704.40x = 294,538,894,579,776.25
  5. Step 5: Solve for x
    x = 294,538,894,579,776.25/20,784,704.40
  6. Step 6: Final answer
    x = 14,170,944.60

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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.