Home / 15,479,676.96-21,362,209.92-8,510,649.12

Finding the Fourth Proportional to 15,479,676.96, 21,362,209.92 and 8,510,649.12

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Solution

The fourth proportional to 15,479,676.96, 21,362,209.92 and 8,510,649.12 is: 11,744,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479,676.96 : 21,362,209.92 = 8,510,649.12 : x
  2. Step 2: Convert to fraction form
    15,479,676.96/21,362,209.92 = 8,510,649.12/x
  3. Step 3: Cross multiply
    15,479,676.96x = 21,362,209.92 × 8,510,649.12
  4. Step 4: Simplify right side
    15,479,676.96x = 181,806,273,056,903.28
  5. Step 5: Solve for x
    x = 181,806,273,056,903.28/15,479,676.96
  6. Step 6: Final answer
    x = 11,744,836.38

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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.