Home / 38,147,210.12-52,641,548.12-21,628,446.24

Finding the Fourth Proportional to 38,147,210.12, 52,641,548.12 and 21,628,446.24

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Solution

The fourth proportional to 38,147,210.12, 52,641,548.12 and 21,628,446.24 is: 29,846,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,210.12 : 52,641,548.12 = 21,628,446.24 : x
  2. Step 2: Convert to fraction form
    38,147,210.12/52,641,548.12 = 21,628,446.24/x
  3. Step 3: Cross multiply
    38,147,210.12x = 52,641,548.12 × 21,628,446.24
  4. Step 4: Simplify right side
    38,147,210.12x = 1,138,554,893,503,793
  5. Step 5: Solve for x
    x = 1,138,554,893,503,793/38,147,210.12
  6. Step 6: Final answer
    x = 29,846,347.61

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1.5x scale

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.