Home / 8,428,605.74-11,631,475.93-4,561,126.89

Finding the Fourth Proportional to 8,428,605.74, 11,631,475.93 and 4,561,126.89

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Solution

The fourth proportional to 8,428,605.74, 11,631,475.93 and 4,561,126.89 is: 6,294,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,605.74 : 11,631,475.93 = 4,561,126.89 : x
  2. Step 2: Convert to fraction form
    8,428,605.74/11,631,475.93 = 4,561,126.89/x
  3. Step 3: Cross multiply
    8,428,605.74x = 11,631,475.93 × 4,561,126.89
  4. Step 4: Simplify right side
    8,428,605.74x = 53,052,637,611,905.12
  5. Step 5: Solve for x
    x = 53,052,637,611,905.12/8,428,605.74
  6. Step 6: Final answer
    x = 6,294,355.11

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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.