Home / 28,328,104.60-42,436,169.70-15,525,698.20

Finding the Fourth Proportional to 28,328,104.60, 42,436,169.70 and 15,525,698.20

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Solution

The fourth proportional to 28,328,104.60, 42,436,169.70 and 15,525,698.20 is: 23,257,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,104.60 : 42,436,169.70 = 15,525,698.20 : x
  2. Step 2: Convert to fraction form
    28,328,104.60/42,436,169.70 = 15,525,698.20/x
  3. Step 3: Cross multiply
    28,328,104.60x = 42,436,169.70 × 15,525,698.20
  4. Step 4: Simplify right side
    28,328,104.60x = 658,851,163,526,184.50
  5. Step 5: Solve for x
    x = 658,851,163,526,184.50/28,328,104.60
  6. Step 6: Final answer
    x = 23,257,862.57

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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.