Home / 12,662,850.65-17,472,801.44-7,154,215.57

Finding the Fourth Proportional to 12,662,850.65, 17,472,801.44 and 7,154,215.57

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Solution

The fourth proportional to 12,662,850.65, 17,472,801.44 and 7,154,215.57 is: 9,871,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662,850.65 : 17,472,801.44 = 7,154,215.57 : x
  2. Step 2: Convert to fraction form
    12,662,850.65/17,472,801.44 = 7,154,215.57/x
  3. Step 3: Cross multiply
    12,662,850.65x = 17,472,801.44 × 7,154,215.57
  4. Step 4: Simplify right side
    12,662,850.65x = 125,004,188,152,515.50
  5. Step 5: Solve for x
    x = 125,004,188,152,515.50/12,662,850.65
  6. Step 6: Final answer
    x = 9,871,725.70

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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.