Home / 11,178,165-15,425,952.95-6,216,675.78

Finding the Fourth Proportional to 11,178,165, 15,425,952.95 and 6,216,675.78

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Solution

The fourth proportional to 11,178,165, 15,425,952.95 and 6,216,675.78 is: 8,579,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,165 : 15,425,952.95 = 6,216,675.78 : x
  2. Step 2: Convert to fraction form
    11,178,165/15,425,952.95 = 6,216,675.78/x
  3. Step 3: Cross multiply
    11,178,165x = 15,425,952.95 × 6,216,675.78
  4. Step 4: Simplify right side
    11,178,165x = 95,898,148,056,601.17
  5. Step 5: Solve for x
    x = 95,898,148,056,601.17/11,178,165
  6. Step 6: Final answer
    x = 8,579,059.98

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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.