Home / 12,657,818.63-17,464,245.96-7,948,721.94

Finding the Fourth Proportional to 12,657,818.63, 17,464,245.96 and 7,948,721.94

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Solution

The fourth proportional to 12,657,818.63, 17,464,245.96 and 7,948,721.94 is: 10,967,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,818.63 : 17,464,245.96 = 7,948,721.94 : x
  2. Step 2: Convert to fraction form
    12,657,818.63/17,464,245.96 = 7,948,721.94/x
  3. Step 3: Cross multiply
    12,657,818.63x = 17,464,245.96 × 7,948,721.94
  4. Step 4: Simplify right side
    12,657,818.63x = 138,818,435,027,808.38
  5. Step 5: Solve for x
    x = 138,818,435,027,808.38/12,657,818.63
  6. Step 6: Final answer
    x = 10,967,010.92

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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.