Home / 12,507,007.23-17,270,441.62-7,868,523.75

Finding the Fourth Proportional to 12,507,007.23, 17,270,441.62 and 7,868,523.75

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Solution

The fourth proportional to 12,507,007.23, 17,270,441.62 and 7,868,523.75 is: 10,865,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,007.23 : 17,270,441.62 = 7,868,523.75 : x
  2. Step 2: Convert to fraction form
    12,507,007.23/17,270,441.62 = 7,868,523.75/x
  3. Step 3: Cross multiply
    12,507,007.23x = 17,270,441.62 × 7,868,523.75
  4. Step 4: Simplify right side
    12,507,007.23x = 135,892,880,050,068.39
  5. Step 5: Solve for x
    x = 135,892,880,050,068.39/12,507,007.23
  6. Step 6: Final answer
    x = 10,865,339.53

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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.