Home / 12,358,962.64-18,543,561-6,672,499.84

Finding the Fourth Proportional to 12,358,962.64, 18,543,561 and 6,672,499.84

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Solution

The fourth proportional to 12,358,962.64, 18,543,561 and 6,672,499.84 is: 10,011,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,962.64 : 18,543,561 = 6,672,499.84 : x
  2. Step 2: Convert to fraction form
    12,358,962.64/18,543,561 = 6,672,499.84/x
  3. Step 3: Cross multiply
    12,358,962.64x = 18,543,561 × 6,672,499.84
  4. Step 4: Simplify right side
    12,358,962.64x = 123,731,907,805,530.23
  5. Step 5: Solve for x
    x = 123,731,907,805,530.23/12,358,962.64
  6. Step 6: Final answer
    x = 10,011,512.41

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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.