Home / 25,785,999.78-38,665,689-7,587,829.98

Finding the Fourth Proportional to 25,785,999.78, 38,665,689 and 7,587,829.98

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Solution

The fourth proportional to 25,785,999.78, 38,665,689 and 7,587,829.98 is: 11,377,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785,999.78 : 38,665,689 = 7,587,829.98 : x
  2. Step 2: Convert to fraction form
    25,785,999.78/38,665,689 = 7,587,829.98/x
  3. Step 3: Cross multiply
    25,785,999.78x = 38,665,689 × 7,587,829.98
  4. Step 4: Simplify right side
    25,785,999.78x = 293,388,674,191,556.25
  5. Step 5: Solve for x
    x = 293,388,674,191,556.25/25,785,999.78
  6. Step 6: Final answer
    x = 11,377,828.15

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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.