Home / 30,503,771.74-45,755,618.97-7,784,669.50

Finding the Fourth Proportional to 30,503,771.74, 45,755,618.97 and 7,784,669.50

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Solution

The fourth proportional to 30,503,771.74, 45,755,618.97 and 7,784,669.50 is: 11,676,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,771.74 : 45,755,618.97 = 7,784,669.50 : x
  2. Step 2: Convert to fraction form
    30,503,771.74/45,755,618.97 = 7,784,669.50/x
  3. Step 3: Cross multiply
    30,503,771.74x = 45,755,618.97 × 7,784,669.50
  4. Step 4: Simplify right side
    30,503,771.74x = 356,192,371,592,962
  5. Step 5: Solve for x
    x = 356,192,371,592,962/30,503,771.74
  6. Step 6: Final answer
    x = 11,676,994.39

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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.