Home / 20,584,906.40-30,877,359.60-9,247,498.40

Finding the Fourth Proportional to 20,584,906.40, 30,877,359.60 and 9,247,498.40

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Solution

The fourth proportional to 20,584,906.40, 30,877,359.60 and 9,247,498.40 is: 13,871,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584,906.40 : 30,877,359.60 = 9,247,498.40 : x
  2. Step 2: Convert to fraction form
    20,584,906.40/30,877,359.60 = 9,247,498.40/x
  3. Step 3: Cross multiply
    20,584,906.40x = 30,877,359.60 × 9,247,498.40
  4. Step 4: Simplify right side
    20,584,906.40x = 285,538,333,497,224.69
  5. Step 5: Solve for x
    x = 285,538,333,497,224.69/20,584,906.40
  6. Step 6: Final answer
    x = 13,871,247.60

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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.