Home / 29,122,284.80-43,683,427.20-28,555,414.40

Finding the Fourth Proportional to 29,122,284.80, 43,683,427.20 and 28,555,414.40

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Solution

The fourth proportional to 29,122,284.80, 43,683,427.20 and 28,555,414.40 is: 42,833,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122,284.80 : 43,683,427.20 = 28,555,414.40 : x
  2. Step 2: Convert to fraction form
    29,122,284.80/43,683,427.20 = 28,555,414.40/x
  3. Step 3: Cross multiply
    29,122,284.80x = 43,683,427.20 × 28,555,414.40
  4. Step 4: Simplify right side
    29,122,284.80x = 1,247,398,366,108,231.75
  5. Step 5: Solve for x
    x = 1,247,398,366,108,231.75/29,122,284.80
  6. Step 6: Final answer
    x = 42,833,121.60

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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.