Home / 14,985,353.37-20,679,787.40-8,109,835.43

Finding the Fourth Proportional to 14,985,353.37, 20,679,787.40 and 8,109,835.43

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Solution

The fourth proportional to 14,985,353.37, 20,679,787.40 and 8,109,835.43 is: 11,191,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,353.37 : 20,679,787.40 = 8,109,835.43 : x
  2. Step 2: Convert to fraction form
    14,985,353.37/20,679,787.40 = 8,109,835.43/x
  3. Step 3: Cross multiply
    14,985,353.37x = 20,679,787.40 × 8,109,835.43
  4. Step 4: Simplify right side
    14,985,353.37x = 167,709,672,397,439.47
  5. Step 5: Solve for x
    x = 167,709,672,397,439.47/14,985,353.37
  6. Step 6: Final answer
    x = 11,191,572.75

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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.