Home / 14,919,611-22,379,341.40-12,891,684.48

Finding the Fourth Proportional to 14,919,611, 22,379,341.40 and 12,891,684.48

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Solution

The fourth proportional to 14,919,611, 22,379,341.40 and 12,891,684.48 is: 19,337,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,611 : 22,379,341.40 = 12,891,684.48 : x
  2. Step 2: Convert to fraction form
    14,919,611/22,379,341.40 = 12,891,684.48/x
  3. Step 3: Cross multiply
    14,919,611x = 22,379,341.40 × 12,891,684.48
  4. Step 4: Simplify right side
    14,919,611x = 288,507,408,199,001.44
  5. Step 5: Solve for x
    x = 288,507,408,199,001.44/14,919,611
  6. Step 6: Final answer
    x = 19,337,461.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.