Home / 26,408,576.40-39,613,001.28-12,021,582.78

Finding the Fourth Proportional to 26,408,576.40, 39,613,001.28 and 12,021,582.78

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Solution

The fourth proportional to 26,408,576.40, 39,613,001.28 and 12,021,582.78 is: 18,032,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408,576.40 : 39,613,001.28 = 12,021,582.78 : x
  2. Step 2: Convert to fraction form
    26,408,576.40/39,613,001.28 = 12,021,582.78/x
  3. Step 3: Cross multiply
    26,408,576.40x = 39,613,001.28 × 12,021,582.78
  4. Step 4: Simplify right side
    26,408,576.40x = 476,210,974,051,765.94
  5. Step 5: Solve for x
    x = 476,210,974,051,765.94/26,408,576.40
  6. Step 6: Final answer
    x = 18,032,436.39

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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.