Home / 12,731,921.70-17,570,053.80-6,930,747.48

Finding the Fourth Proportional to 12,731,921.70, 17,570,053.80 and 6,930,747.48

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Solution

The fourth proportional to 12,731,921.70, 17,570,053.80 and 6,930,747.48 is: 9,564,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,921.70 : 17,570,053.80 = 6,930,747.48 : x
  2. Step 2: Convert to fraction form
    12,731,921.70/17,570,053.80 = 6,930,747.48/x
  3. Step 3: Cross multiply
    12,731,921.70x = 17,570,053.80 × 6,930,747.48
  4. Step 4: Simplify right side
    12,731,921.70x = 121,773,606,097,814.44
  5. Step 5: Solve for x
    x = 121,773,606,097,814.44/12,731,921.70
  6. Step 6: Final answer
    x = 9,564,432.53

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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.