Home / 18,867,289.40-26,029,299.48-11,895,674.48

Finding the Fourth Proportional to 18,867,289.40, 26,029,299.48 and 11,895,674.48

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Solution

The fourth proportional to 18,867,289.40, 26,029,299.48 and 11,895,674.48 is: 16,411,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867,289.40 : 26,029,299.48 = 11,895,674.48 : x
  2. Step 2: Convert to fraction form
    18,867,289.40/26,029,299.48 = 11,895,674.48/x
  3. Step 3: Cross multiply
    18,867,289.40x = 26,029,299.48 × 11,895,674.48
  4. Step 4: Simplify right side
    18,867,289.40x = 309,636,073,556,513.31
  5. Step 5: Solve for x
    x = 309,636,073,556,513.31/18,867,289.40
  6. Step 6: Final answer
    x = 16,411,264.33

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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.