Home / 30,085,087-45,145,562.82-10,917,340.12

Finding the Fourth Proportional to 30,085,087, 45,145,562.82 and 10,917,340.12

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Solution

The fourth proportional to 30,085,087, 45,145,562.82 and 10,917,340.12 is: 16,382,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085,087 : 45,145,562.82 = 10,917,340.12 : x
  2. Step 2: Convert to fraction form
    30,085,087/45,145,562.82 = 10,917,340.12/x
  3. Step 3: Cross multiply
    30,085,087x = 45,145,562.82 × 10,917,340.12
  4. Step 4: Simplify right side
    30,085,087x = 492,869,464,214,766.31
  5. Step 5: Solve for x
    x = 492,869,464,214,766.31/30,085,087
  6. Step 6: Final answer
    x = 16,382,517.50

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1.5x scale

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.