Home / 13,357,828.38-18,434,214.54-7,556,493.75

Finding the Fourth Proportional to 13,357,828.38, 18,434,214.54 and 7,556,493.75

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Solution

The fourth proportional to 13,357,828.38, 18,434,214.54 and 7,556,493.75 is: 10,428,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,828.38 : 18,434,214.54 = 7,556,493.75 : x
  2. Step 2: Convert to fraction form
    13,357,828.38/18,434,214.54 = 7,556,493.75/x
  3. Step 3: Cross multiply
    13,357,828.38x = 18,434,214.54 × 7,556,493.75
  4. Step 4: Simplify right side
    13,357,828.38x = 139,298,026,957,669.12
  5. Step 5: Solve for x
    x = 139,298,026,957,669.12/13,357,828.38
  6. Step 6: Final answer
    x = 10,428,194.09

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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.