Home / 12,178,836.93-16,806,789.14-7,284,058.93

Finding the Fourth Proportional to 12,178,836.93, 16,806,789.14 and 7,284,058.93

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Solution

The fourth proportional to 12,178,836.93, 16,806,789.14 and 7,284,058.93 is: 10,051,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,836.93 : 16,806,789.14 = 7,284,058.93 : x
  2. Step 2: Convert to fraction form
    12,178,836.93/16,806,789.14 = 7,284,058.93/x
  3. Step 3: Cross multiply
    12,178,836.93x = 16,806,789.14 × 7,284,058.93
  4. Step 4: Simplify right side
    12,178,836.93x = 122,421,642,441,406.77
  5. Step 5: Solve for x
    x = 122,421,642,441,406.77/12,178,836.93
  6. Step 6: Final answer
    x = 10,051,997.83

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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.