Home / 8,662,381.64-12,989,091.53-3,802,699.16

Finding the Fourth Proportional to 8,662,381.64, 12,989,091.53 and 3,802,699.16

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Solution

The fourth proportional to 8,662,381.64, 12,989,091.53 and 3,802,699.16 is: 5,702,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,381.64 : 12,989,091.53 = 3,802,699.16 : x
  2. Step 2: Convert to fraction form
    8,662,381.64/12,989,091.53 = 3,802,699.16/x
  3. Step 3: Cross multiply
    8,662,381.64x = 12,989,091.53 × 3,802,699.16
  4. Step 4: Simplify right side
    8,662,381.64x = 49,393,607,394,855.41
  5. Step 5: Solve for x
    x = 49,393,607,394,855.41/8,662,381.64
  6. Step 6: Final answer
    x = 5,702,081.65

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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.