Home / 28,029,085.20-42,043,627.80-27,840,128.40

Finding the Fourth Proportional to 28,029,085.20, 42,043,627.80 and 27,840,128.40

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Solution

The fourth proportional to 28,029,085.20, 42,043,627.80 and 27,840,128.40 is: 41,760,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,085.20 : 42,043,627.80 = 27,840,128.40 : x
  2. Step 2: Convert to fraction form
    28,029,085.20/42,043,627.80 = 27,840,128.40/x
  3. Step 3: Cross multiply
    28,029,085.20x = 42,043,627.80 × 27,840,128.40
  4. Step 4: Simplify right side
    28,029,085.20x = 1,170,499,996,353,809.25
  5. Step 5: Solve for x
    x = 1,170,499,996,353,809.25/28,029,085.20
  6. Step 6: Final answer
    x = 41,760,192.60

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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.