Home / 12,338,486.76-17,027,107.02-6,905,978.76

Finding the Fourth Proportional to 12,338,486.76, 17,027,107.02 and 6,905,978.76

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Solution

The fourth proportional to 12,338,486.76, 17,027,107.02 and 6,905,978.76 is: 9,530,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338,486.76 : 17,027,107.02 = 6,905,978.76 : x
  2. Step 2: Convert to fraction form
    12,338,486.76/17,027,107.02 = 6,905,978.76/x
  3. Step 3: Cross multiply
    12,338,486.76x = 17,027,107.02 × 6,905,978.76
  4. Step 4: Simplify right side
    12,338,486.76x = 117,588,839,424,366.89
  5. Step 5: Solve for x
    x = 117,588,839,424,366.89/12,338,486.76
  6. Step 6: Final answer
    x = 9,530,248.05

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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.