Home / 13,660,739.28-18,850,215.24-7,548,803.28

Finding the Fourth Proportional to 13,660,739.28, 18,850,215.24 and 7,548,803.28

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Solution

The fourth proportional to 13,660,739.28, 18,850,215.24 and 7,548,803.28 is: 10,416,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,739.28 : 18,850,215.24 = 7,548,803.28 : x
  2. Step 2: Convert to fraction form
    13,660,739.28/18,850,215.24 = 7,548,803.28/x
  3. Step 3: Cross multiply
    13,660,739.28x = 18,850,215.24 × 7,548,803.28
  4. Step 4: Simplify right side
    13,660,739.28x = 142,296,566,632,417.97
  5. Step 5: Solve for x
    x = 142,296,566,632,417.97/13,660,739.28
  6. Step 6: Final answer
    x = 10,416,461.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.