Home / 26,408,556.40-39,612,971.30-12,021,562.80

Finding the Fourth Proportional to 26,408,556.40, 39,612,971.30 and 12,021,562.80

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Solution

The fourth proportional to 26,408,556.40, 39,612,971.30 and 12,021,562.80 is: 18,032,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408,556.40 : 39,612,971.30 = 12,021,562.80 : x
  2. Step 2: Convert to fraction form
    26,408,556.40/39,612,971.30 = 12,021,562.80/x
  3. Step 3: Cross multiply
    26,408,556.40x = 39,612,971.30 × 12,021,562.80
  4. Step 4: Simplify right side
    26,408,556.40x = 476,209,822,177,547.62
  5. Step 5: Solve for x
    x = 476,209,822,177,547.62/26,408,556.40
  6. Step 6: Final answer
    x = 18,032,406.43

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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.