Home / 12,345,045.74-18,546,028.77-11,834,871.02

Finding the Fourth Proportional to 12,345,045.74, 18,546,028.77 and 11,834,871.02

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Solution

The fourth proportional to 12,345,045.74, 18,546,028.77 and 11,834,871.02 is: 17,779,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,045.74 : 18,546,028.77 = 11,834,871.02 : x
  2. Step 2: Convert to fraction form
    12,345,045.74/18,546,028.77 = 11,834,871.02/x
  3. Step 3: Cross multiply
    12,345,045.74x = 18,546,028.77 × 11,834,871.02
  4. Step 4: Simplify right side
    12,345,045.74x = 219,489,858,333,429.09
  5. Step 5: Solve for x
    x = 219,489,858,333,429.09/12,345,045.74
  6. Step 6: Final answer
    x = 17,779,590.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.