Home / 13,310,050.24-18,367,869.12-7,198,478.72

Finding the Fourth Proportional to 13,310,050.24, 18,367,869.12 and 7,198,478.72

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Solution

The fourth proportional to 13,310,050.24, 18,367,869.12 and 7,198,478.72 is: 9,933,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,050.24 : 18,367,869.12 = 7,198,478.72 : x
  2. Step 2: Convert to fraction form
    13,310,050.24/18,367,869.12 = 7,198,478.72/x
  3. Step 3: Cross multiply
    13,310,050.24x = 18,367,869.12 × 7,198,478.72
  4. Step 4: Simplify right side
    13,310,050.24x = 132,220,714,992,065.12
  5. Step 5: Solve for x
    x = 132,220,714,992,065.12/13,310,050.24
  6. Step 6: Final answer
    x = 9,933,900.52

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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.