Home / 15,135,479.10-20,898,862.11-12,185,926.83

Finding the Fourth Proportional to 15,135,479.10, 20,898,862.11 and 12,185,926.83

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Solution

The fourth proportional to 15,135,479.10, 20,898,862.11 and 12,185,926.83 is: 16,826,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,479.10 : 20,898,862.11 = 12,185,926.83 : x
  2. Step 2: Convert to fraction form
    15,135,479.10/20,898,862.11 = 12,185,926.83/x
  3. Step 3: Cross multiply
    15,135,479.10x = 20,898,862.11 × 12,185,926.83
  4. Step 4: Simplify right side
    15,135,479.10x = 254,672,004,502,719.41
  5. Step 5: Solve for x
    x = 254,672,004,502,719.41/15,135,479.10
  6. Step 6: Final answer
    x = 16,826,160.76

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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.