Home / 20,255,436.54-27,952,689.20-11,995,968.60

Finding the Fourth Proportional to 20,255,436.54, 27,952,689.20 and 11,995,968.60

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Solution

The fourth proportional to 20,255,436.54, 27,952,689.20 and 11,995,968.60 is: 16,554,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,436.54 : 27,952,689.20 = 11,995,968.60 : x
  2. Step 2: Convert to fraction form
    20,255,436.54/27,952,689.20 = 11,995,968.60/x
  3. Step 3: Cross multiply
    20,255,436.54x = 27,952,689.20 × 11,995,968.60
  4. Step 4: Simplify right side
    20,255,436.54x = 335,319,581,868,779.25
  5. Step 5: Solve for x
    x = 335,319,581,868,779.25/20,255,436.54
  6. Step 6: Final answer
    x = 16,554,547.28

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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.