Home / 9,315,429.72-12,855,161.32-5,241,039

Finding the Fourth Proportional to 9,315,429.72, 12,855,161.32 and 5,241,039

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Solution

The fourth proportional to 9,315,429.72, 12,855,161.32 and 5,241,039 is: 7,232,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,429.72 : 12,855,161.32 = 5,241,039 : x
  2. Step 2: Convert to fraction form
    9,315,429.72/12,855,161.32 = 5,241,039/x
  3. Step 3: Cross multiply
    9,315,429.72x = 12,855,161.32 × 5,241,039
  4. Step 4: Simplify right side
    9,315,429.72x = 67,374,401,829,411.48
  5. Step 5: Solve for x
    x = 67,374,401,829,411.48/9,315,429.72
  6. Step 6: Final answer
    x = 7,232,559.73

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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.