Home / 21,355,885.88-29,473,711.94-12,063,847.76

Finding the Fourth Proportional to 21,355,885.88, 29,473,711.94 and 12,063,847.76

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Solution

The fourth proportional to 21,355,885.88, 29,473,711.94 and 12,063,847.76 is: 16,649,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,885.88 : 29,473,711.94 = 12,063,847.76 : x
  2. Step 2: Convert to fraction form
    21,355,885.88/29,473,711.94 = 12,063,847.76/x
  3. Step 3: Cross multiply
    21,355,885.88x = 29,473,711.94 × 12,063,847.76
  4. Step 4: Simplify right side
    21,355,885.88x = 355,566,373,705,935
  5. Step 5: Solve for x
    x = 355,566,373,705,935/21,355,885.88
  6. Step 6: Final answer
    x = 16,649,572.66

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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.