Home / 12,731,924.45-17,570,057.67-6,930,749.72

Finding the Fourth Proportional to 12,731,924.45, 17,570,057.67 and 6,930,749.72

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Solution

The fourth proportional to 12,731,924.45, 17,570,057.67 and 6,930,749.72 is: 9,564,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,924.45 : 17,570,057.67 = 6,930,749.72 : x
  2. Step 2: Convert to fraction form
    12,731,924.45/17,570,057.67 = 6,930,749.72/x
  3. Step 3: Cross multiply
    12,731,924.45x = 17,570,057.67 × 6,930,749.72
  4. Step 4: Simplify right side
    12,731,924.45x = 121,773,672,188,886.08
  5. Step 5: Solve for x
    x = 121,773,672,188,886.08/12,731,924.45
  6. Step 6: Final answer
    x = 9,564,435.66

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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.