Home / 21,865,072.79-30,173,800.03-12,698,306.03

Finding the Fourth Proportional to 21,865,072.79, 30,173,800.03 and 12,698,306.03

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Solution

The fourth proportional to 21,865,072.79, 30,173,800.03 and 12,698,306.03 is: 17,523,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865,072.79 : 30,173,800.03 = 12,698,306.03 : x
  2. Step 2: Convert to fraction form
    21,865,072.79/30,173,800.03 = 12,698,306.03/x
  3. Step 3: Cross multiply
    21,865,072.79x = 30,173,800.03 × 12,698,306.03
  4. Step 4: Simplify right side
    21,865,072.79x = 383,156,146,912,651.94
  5. Step 5: Solve for x
    x = 383,156,146,912,651.94/21,865,072.79
  6. Step 6: Final answer
    x = 17,523,662.08

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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.