Home / 12,372,073.94-17,073,853.53-7,144,987.55

Finding the Fourth Proportional to 12,372,073.94, 17,073,853.53 and 7,144,987.55

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Solution

The fourth proportional to 12,372,073.94, 17,073,853.53 and 7,144,987.55 is: 9,860,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,073.94 : 17,073,853.53 = 7,144,987.55 : x
  2. Step 2: Convert to fraction form
    12,372,073.94/17,073,853.53 = 7,144,987.55/x
  3. Step 3: Cross multiply
    12,372,073.94x = 17,073,853.53 × 7,144,987.55
  4. Step 4: Simplify right side
    12,372,073.94x = 121,992,470,848,283.78
  5. Step 5: Solve for x
    x = 121,992,470,848,283.78/12,372,073.94
  6. Step 6: Final answer
    x = 9,860,308.90

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1.5x scale

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.