Home / 28,430,634.80-42,645,952.20-22,384,017.20

Finding the Fourth Proportional to 28,430,634.80, 42,645,952.20 and 22,384,017.20

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Solution

The fourth proportional to 28,430,634.80, 42,645,952.20 and 22,384,017.20 is: 33,576,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,634.80 : 42,645,952.20 = 22,384,017.20 : x
  2. Step 2: Convert to fraction form
    28,430,634.80/42,645,952.20 = 22,384,017.20/x
  3. Step 3: Cross multiply
    28,430,634.80x = 42,645,952.20 × 22,384,017.20
  4. Step 4: Simplify right side
    28,430,634.80x = 954,587,727,555,177.88
  5. Step 5: Solve for x
    x = 954,587,727,555,177.88/28,430,634.80
  6. Step 6: Final answer
    x = 33,576,025.80

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Double scale
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Similar ratio
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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.