Home / 18,288,549.20-27,404,830.20-17,280,779.60

Finding the Fourth Proportional to 18,288,549.20, 27,404,830.20 and 17,280,779.60

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Solution

The fourth proportional to 18,288,549.20, 27,404,830.20 and 17,280,779.60 is: 25,894,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,549.20 : 27,404,830.20 = 17,280,779.60 : x
  2. Step 2: Convert to fraction form
    18,288,549.20/27,404,830.20 = 17,280,779.60/x
  3. Step 3: Cross multiply
    18,288,549.20x = 27,404,830.20 × 17,280,779.60
  4. Step 4: Simplify right side
    18,288,549.20x = 473,576,830,661,623.94
  5. Step 5: Solve for x
    x = 473,576,830,661,623.94/18,288,549.20
  6. Step 6: Final answer
    x = 25,894,718.36

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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.