Home / 30,879,447.40-42,612,815.10-17,826,265

Finding the Fourth Proportional to 30,879,447.40, 42,612,815.10 and 17,826,265

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Solution

The fourth proportional to 30,879,447.40, 42,612,815.10 and 17,826,265 is: 24,599,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,879,447.40 : 42,612,815.10 = 17,826,265 : x
  2. Step 2: Convert to fraction form
    30,879,447.40/42,612,815.10 = 17,826,265/x
  3. Step 3: Cross multiply
    30,879,447.40x = 42,612,815.10 × 17,826,265
  4. Step 4: Simplify right side
    30,879,447.40x = 759,627,334,368,601.50
  5. Step 5: Solve for x
    x = 759,627,334,368,601.50/30,879,447.40
  6. Step 6: Final answer
    x = 24,599,770.99

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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.