Home / 13,659,986.72-18,851,161.92-7,548,808.88

Finding the Fourth Proportional to 13,659,986.72, 18,851,161.92 and 7,548,808.88

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Solution

The fourth proportional to 13,659,986.72, 18,851,161.92 and 7,548,808.88 is: 10,417,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,986.72 : 18,851,161.92 = 7,548,808.88 : x
  2. Step 2: Convert to fraction form
    13,659,986.72/18,851,161.92 = 7,548,808.88/x
  3. Step 3: Cross multiply
    13,659,986.72x = 18,851,161.92 × 7,548,808.88
  4. Step 4: Simplify right side
    13,659,986.72x = 142,303,818,500,013.88
  5. Step 5: Solve for x
    x = 142,303,818,500,013.88/13,659,986.72
  6. Step 6: Final answer
    x = 10,417,566.39

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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.