Home / 18,576,085.80-27,864,128.70-4,929,205.80

Finding the Fourth Proportional to 18,576,085.80, 27,864,128.70 and 4,929,205.80

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Solution

The fourth proportional to 18,576,085.80, 27,864,128.70 and 4,929,205.80 is: 7,393,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,085.80 : 27,864,128.70 = 4,929,205.80 : x
  2. Step 2: Convert to fraction form
    18,576,085.80/27,864,128.70 = 4,929,205.80/x
  3. Step 3: Cross multiply
    18,576,085.80x = 27,864,128.70 × 4,929,205.80
  4. Step 4: Simplify right side
    18,576,085.80x = 137,348,024,799,986.45
  5. Step 5: Solve for x
    x = 137,348,024,799,986.45/18,576,085.80
  6. Step 6: Final answer
    x = 7,393,808.70

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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.