Home / 28,232,506.80-42,348,760.20-16,867,105.20

Finding the Fourth Proportional to 28,232,506.80, 42,348,760.20 and 16,867,105.20

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Solution

The fourth proportional to 28,232,506.80, 42,348,760.20 and 16,867,105.20 is: 25,300,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,506.80 : 42,348,760.20 = 16,867,105.20 : x
  2. Step 2: Convert to fraction form
    28,232,506.80/42,348,760.20 = 16,867,105.20/x
  3. Step 3: Cross multiply
    28,232,506.80x = 42,348,760.20 × 16,867,105.20
  4. Step 4: Simplify right side
    28,232,506.80x = 714,300,993,382,973
  5. Step 5: Solve for x
    x = 714,300,993,382,973/28,232,506.80
  6. Step 6: Final answer
    x = 25,300,657.80

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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.