Home / 14,985,353.79-20,679,787.98-8,109,835.85

Finding the Fourth Proportional to 14,985,353.79, 20,679,787.98 and 8,109,835.85

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Solution

The fourth proportional to 14,985,353.79, 20,679,787.98 and 8,109,835.85 is: 11,191,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,353.79 : 20,679,787.98 = 8,109,835.85 : x
  2. Step 2: Convert to fraction form
    14,985,353.79/20,679,787.98 = 8,109,835.85/x
  3. Step 3: Cross multiply
    14,985,353.79x = 20,679,787.98 × 8,109,835.85
  4. Step 4: Simplify right side
    14,985,353.79x = 167,709,685,930,603.09
  5. Step 5: Solve for x
    x = 167,709,685,930,603.09/14,985,353.79
  6. Step 6: Final answer
    x = 11,191,573.34

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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.