Home / 20,582,779.26-30,874,809.18-7,632,152.58

Finding the Fourth Proportional to 20,582,779.26, 30,874,809.18 and 7,632,152.58

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Solution

The fourth proportional to 20,582,779.26, 30,874,809.18 and 7,632,152.58 is: 11,448,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,779.26 : 30,874,809.18 = 7,632,152.58 : x
  2. Step 2: Convert to fraction form
    20,582,779.26/30,874,809.18 = 7,632,152.58/x
  3. Step 3: Cross multiply
    20,582,779.26x = 30,874,809.18 × 7,632,152.58
  4. Step 4: Simplify right side
    20,582,779.26x = 235,641,254,540,144.69
  5. Step 5: Solve for x
    x = 235,641,254,540,144.69/20,582,779.26
  6. Step 6: Final answer
    x = 11,448,466.29

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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.