Home / 12,738,672.40-17,580,820.08-7,582,050.40

Finding the Fourth Proportional to 12,738,672.40, 17,580,820.08 and 7,582,050.40

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Solution

The fourth proportional to 12,738,672.40, 17,580,820.08 and 7,582,050.40 is: 10,464,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738,672.40 : 17,580,820.08 = 7,582,050.40 : x
  2. Step 2: Convert to fraction form
    12,738,672.40/17,580,820.08 = 7,582,050.40/x
  3. Step 3: Cross multiply
    12,738,672.40x = 17,580,820.08 × 7,582,050.40
  4. Step 4: Simplify right side
    12,738,672.40x = 133,298,663,919,892.03
  5. Step 5: Solve for x
    x = 133,298,663,919,892.03/12,738,672.40
  6. Step 6: Final answer
    x = 10,464,093.88

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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.