Home / 9,521,892.79-13,144,232.82-6,428,604.53

Finding the Fourth Proportional to 9,521,892.79, 13,144,232.82 and 6,428,604.53

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Solution

The fourth proportional to 9,521,892.79, 13,144,232.82 and 6,428,604.53 is: 8,874,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,892.79 : 13,144,232.82 = 6,428,604.53 : x
  2. Step 2: Convert to fraction form
    9,521,892.79/13,144,232.82 = 6,428,604.53/x
  3. Step 3: Cross multiply
    9,521,892.79x = 13,144,232.82 × 6,428,604.53
  4. Step 4: Simplify right side
    9,521,892.79x = 84,499,074,706,994.52
  5. Step 5: Solve for x
    x = 84,499,074,706,994.52/9,521,892.79
  6. Step 6: Final answer
    x = 8,874,188.84

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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.