Home / 13,615,515.60-20,423,273.40-12,576,253.20

Finding the Fourth Proportional to 13,615,515.60, 20,423,273.40 and 12,576,253.20

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Solution

The fourth proportional to 13,615,515.60, 20,423,273.40 and 12,576,253.20 is: 18,864,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,515.60 : 20,423,273.40 = 12,576,253.20 : x
  2. Step 2: Convert to fraction form
    13,615,515.60/20,423,273.40 = 12,576,253.20/x
  3. Step 3: Cross multiply
    13,615,515.60x = 20,423,273.40 × 12,576,253.20
  4. Step 4: Simplify right side
    13,615,515.60x = 256,848,257,451,224.84
  5. Step 5: Solve for x
    x = 256,848,257,451,224.84/13,615,515.60
  6. Step 6: Final answer
    x = 18,864,379.80

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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.