Home / 8,430,408.48-12,645,645.30-2,040,650.40

Finding the Fourth Proportional to 8,430,408.48, 12,645,645.30 and 2,040,650.40

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Solution

The fourth proportional to 8,430,408.48, 12,645,645.30 and 2,040,650.40 is: 3,060,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,408.48 : 12,645,645.30 = 2,040,650.40 : x
  2. Step 2: Convert to fraction form
    8,430,408.48/12,645,645.30 = 2,040,650.40/x
  3. Step 3: Cross multiply
    8,430,408.48x = 12,645,645.30 × 2,040,650.40
  4. Step 4: Simplify right side
    8,430,408.48x = 25,805,341,139,703.12
  5. Step 5: Solve for x
    x = 25,805,341,139,703.12/8,430,408.48
  6. Step 6: Final answer
    x = 3,060,983.49

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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.