Home / 14,001,091.20-21,001,636.80-3,903,712.20

Finding the Fourth Proportional to 14,001,091.20, 21,001,636.80 and 3,903,712.20

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Solution

The fourth proportional to 14,001,091.20, 21,001,636.80 and 3,903,712.20 is: 5,855,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,091.20 : 21,001,636.80 = 3,903,712.20 : x
  2. Step 2: Convert to fraction form
    14,001,091.20/21,001,636.80 = 3,903,712.20/x
  3. Step 3: Cross multiply
    14,001,091.20x = 21,001,636.80 × 3,903,712.20
  4. Step 4: Simplify right side
    14,001,091.20x = 81,984,345,796,128.97
  5. Step 5: Solve for x
    x = 81,984,345,796,128.97/14,001,091.20
  6. Step 6: Final answer
    x = 5,855,568.30

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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.