Home / 14,826,288-20,460,139.20-8,387,760

Finding the Fourth Proportional to 14,826,288, 20,460,139.20 and 8,387,760

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Solution

The fourth proportional to 14,826,288, 20,460,139.20 and 8,387,760 is: 11,575,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826,288 : 20,460,139.20 = 8,387,760 : x
  2. Step 2: Convert to fraction form
    14,826,288/20,460,139.20 = 8,387,760/x
  3. Step 3: Cross multiply
    14,826,288x = 20,460,139.20 × 8,387,760
  4. Step 4: Simplify right side
    14,826,288x = 171,614,737,176,192
  5. Step 5: Solve for x
    x = 171,614,737,176,192/14,826,288
  6. Step 6: Final answer
    x = 11,575,030.59

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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.