Home / 12,885,894-19,328,957.64-3,910,446

Finding the Fourth Proportional to 12,885,894, 19,328,957.64 and 3,910,446

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Solution

The fourth proportional to 12,885,894, 19,328,957.64 and 3,910,446 is: 5,865,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,894 : 19,328,957.64 = 3,910,446 : x
  2. Step 2: Convert to fraction form
    12,885,894/19,328,957.64 = 3,910,446/x
  3. Step 3: Cross multiply
    12,885,894x = 19,328,957.64 × 3,910,446
  4. Step 4: Simplify right side
    12,885,894x = 75,584,845,087,507.44
  5. Step 5: Solve for x
    x = 75,584,845,087,507.44/12,885,894
  6. Step 6: Final answer
    x = 5,865,704.40

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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.