Home / 15,090,559.74-20,824,913.21-8,474,230.01

Finding the Fourth Proportional to 15,090,559.74, 20,824,913.21 and 8,474,230.01

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Solution

The fourth proportional to 15,090,559.74, 20,824,913.21 and 8,474,230.01 is: 11,694,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090,559.74 : 20,824,913.21 = 8,474,230.01 : x
  2. Step 2: Convert to fraction form
    15,090,559.74/20,824,913.21 = 8,474,230.01/x
  3. Step 3: Cross multiply
    15,090,559.74x = 20,824,913.21 × 8,474,230.01
  4. Step 4: Simplify right side
    15,090,559.74x = 176,475,104,420,046
  5. Step 5: Solve for x
    x = 176,475,104,420,046/15,090,559.74
  6. Step 6: Final answer
    x = 11,694,404.15

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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.