Home / 40,783,619.34-61,157,480.76-21,609,957.06

Finding the Fourth Proportional to 40,783,619.34, 61,157,480.76 and 21,609,957.06

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Solution

The fourth proportional to 40,783,619.34, 61,157,480.76 and 21,609,957.06 is: 32,405,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783,619.34 : 61,157,480.76 = 21,609,957.06 : x
  2. Step 2: Convert to fraction form
    40,783,619.34/61,157,480.76 = 21,609,957.06/x
  3. Step 3: Cross multiply
    40,783,619.34x = 61,157,480.76 × 21,609,957.06
  4. Step 4: Simplify right side
    40,783,619.34x = 1,321,610,533,121,376
  5. Step 5: Solve for x
    x = 1,321,610,533,121,376/40,783,619.34
  6. Step 6: Final answer
    x = 32,405,425.38

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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.