Home / 30,503,772.18-45,755,619.63-7,784,669.94

Finding the Fourth Proportional to 30,503,772.18, 45,755,619.63 and 7,784,669.94

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Solution

The fourth proportional to 30,503,772.18, 45,755,619.63 and 7,784,669.94 is: 11,676,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,772.18 : 45,755,619.63 = 7,784,669.94 : x
  2. Step 2: Convert to fraction form
    30,503,772.18/45,755,619.63 = 7,784,669.94/x
  3. Step 3: Cross multiply
    30,503,772.18x = 45,755,619.63 × 7,784,669.94
  4. Step 4: Simplify right side
    30,503,772.18x = 356,192,396,719,734.94
  5. Step 5: Solve for x
    x = 356,192,396,719,734.94/30,503,772.18
  6. Step 6: Final answer
    x = 11,676,995.05

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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.