Home / 13,189,272.16-18,202,205.32-8,298,686.36

Finding the Fourth Proportional to 13,189,272.16, 18,202,205.32 and 8,298,686.36

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Solution

The fourth proportional to 13,189,272.16, 18,202,205.32 and 8,298,686.36 is: 11,452,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,272.16 : 18,202,205.32 = 8,298,686.36 : x
  2. Step 2: Convert to fraction form
    13,189,272.16/18,202,205.32 = 8,298,686.36/x
  3. Step 3: Cross multiply
    13,189,272.16x = 18,202,205.32 × 8,298,686.36
  4. Step 4: Simplify right side
    13,189,272.16x = 151,054,392,899,245.69
  5. Step 5: Solve for x
    x = 151,054,392,899,245.69/13,189,272.16
  6. Step 6: Final answer
    x = 11,452,822.50

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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.