Home / 12,642,917.79-17,447,226.54-6,841,699.52

Finding the Fourth Proportional to 12,642,917.79, 17,447,226.54 and 6,841,699.52

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Solution

The fourth proportional to 12,642,917.79, 17,447,226.54 and 6,841,699.52 is: 9,441,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,917.79 : 17,447,226.54 = 6,841,699.52 : x
  2. Step 2: Convert to fraction form
    12,642,917.79/17,447,226.54 = 6,841,699.52/x
  3. Step 3: Cross multiply
    12,642,917.79x = 17,447,226.54 × 6,841,699.52
  4. Step 4: Simplify right side
    12,642,917.79x = 119,368,681,444,049.25
  5. Step 5: Solve for x
    x = 119,368,681,444,049.25/12,642,917.79
  6. Step 6: Final answer
    x = 9,441,545.33

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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.