Home / 20,404,287.12-30,610,688.04-10,817,062.32

Finding the Fourth Proportional to 20,404,287.12, 30,610,688.04 and 10,817,062.32

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Solution

The fourth proportional to 20,404,287.12, 30,610,688.04 and 10,817,062.32 is: 16,227,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,287.12 : 30,610,688.04 = 10,817,062.32 : x
  2. Step 2: Convert to fraction form
    20,404,287.12/30,610,688.04 = 10,817,062.32/x
  3. Step 3: Cross multiply
    20,404,287.12x = 30,610,688.04 × 10,817,062.32
  4. Step 4: Simplify right side
    20,404,287.12x = 331,117,720,186,758.62
  5. Step 5: Solve for x
    x = 331,117,720,186,758.62/20,404,287.12
  6. Step 6: Final answer
    x = 16,227,850.46

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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.