Home / 14,985,353.22-20,679,787.20-8,109,835.29

Finding the Fourth Proportional to 14,985,353.22, 20,679,787.20 and 8,109,835.29

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Solution

The fourth proportional to 14,985,353.22, 20,679,787.20 and 8,109,835.29 is: 11,191,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,353.22 : 20,679,787.20 = 8,109,835.29 : x
  2. Step 2: Convert to fraction form
    14,985,353.22/20,679,787.20 = 8,109,835.29/x
  3. Step 3: Cross multiply
    14,985,353.22x = 20,679,787.20 × 8,109,835.29
  4. Step 4: Simplify right side
    14,985,353.22x = 167,709,668,024,250.28
  5. Step 5: Solve for x
    x = 167,709,668,024,250.28/14,985,353.22
  6. Step 6: Final answer
    x = 11,191,572.57

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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.