Home / 14,985,352.87-20,679,786.70-8,109,834.93

Finding the Fourth Proportional to 14,985,352.87, 20,679,786.70 and 8,109,834.93

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Solution

The fourth proportional to 14,985,352.87, 20,679,786.70 and 8,109,834.93 is: 11,191,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,352.87 : 20,679,786.70 = 8,109,834.93 : x
  2. Step 2: Convert to fraction form
    14,985,352.87/20,679,786.70 = 8,109,834.93/x
  3. Step 3: Cross multiply
    14,985,352.87x = 20,679,786.70 × 8,109,834.93
  4. Step 4: Simplify right side
    14,985,352.87x = 167,709,656,524,609.41
  5. Step 5: Solve for x
    x = 167,709,656,524,609.41/14,985,352.87
  6. Step 6: Final answer
    x = 11,191,572.06

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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.