Home / 13,615,250.40-20,422,875.60-12,481,509.60

Finding the Fourth Proportional to 13,615,250.40, 20,422,875.60 and 12,481,509.60

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Solution

The fourth proportional to 13,615,250.40, 20,422,875.60 and 12,481,509.60 is: 18,722,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,250.40 : 20,422,875.60 = 12,481,509.60 : x
  2. Step 2: Convert to fraction form
    13,615,250.40/20,422,875.60 = 12,481,509.60/x
  3. Step 3: Cross multiply
    13,615,250.40x = 20,422,875.60 × 12,481,509.60
  4. Step 4: Simplify right side
    13,615,250.40x = 254,908,317,861,005.78
  5. Step 5: Solve for x
    x = 254,908,317,861,005.78/13,615,250.40
  6. Step 6: Final answer
    x = 18,722,264.40

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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.