Home / 13,488,080.80-20,222,660.40-4,967,312.80

Finding the Fourth Proportional to 13,488,080.80, 20,222,660.40 and 4,967,312.80

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Solution

The fourth proportional to 13,488,080.80, 20,222,660.40 and 4,967,312.80 is: 7,447,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,080.80 : 20,222,660.40 = 4,967,312.80 : x
  2. Step 2: Convert to fraction form
    13,488,080.80/20,222,660.40 = 4,967,312.80/x
  3. Step 3: Cross multiply
    13,488,080.80x = 20,222,660.40 × 4,967,312.80
  4. Step 4: Simplify right side
    13,488,080.80x = 100,452,279,854,973.11
  5. Step 5: Solve for x
    x = 100,452,279,854,973.11/13,488,080.80
  6. Step 6: Final answer
    x = 7,447,485.03

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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.