Home / 8,431,390.50-11,636,895.16-4,809,718.50

Finding the Fourth Proportional to 8,431,390.50, 11,636,895.16 and 4,809,718.50

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Solution

The fourth proportional to 8,431,390.50, 11,636,895.16 and 4,809,718.50 is: 6,638,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,390.50 : 11,636,895.16 = 4,809,718.50 : x
  2. Step 2: Convert to fraction form
    8,431,390.50/11,636,895.16 = 4,809,718.50/x
  3. Step 3: Cross multiply
    8,431,390.50x = 11,636,895.16 × 4,809,718.50
  4. Step 4: Simplify right side
    8,431,390.50x = 55,970,189,933,612.46
  5. Step 5: Solve for x
    x = 55,970,189,933,612.46/8,431,390.50
  6. Step 6: Final answer
    x = 6,638,310.72

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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.