Home / 13,310,571.43-19,974,122.79-8,521,697.53

Finding the Fourth Proportional to 13,310,571.43, 19,974,122.79 and 8,521,697.53

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Solution

The fourth proportional to 13,310,571.43, 19,974,122.79 and 8,521,697.53 is: 12,787,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,571.43 : 19,974,122.79 = 8,521,697.53 : x
  2. Step 2: Convert to fraction form
    13,310,571.43/19,974,122.79 = 8,521,697.53/x
  3. Step 3: Cross multiply
    13,310,571.43x = 19,974,122.79 × 8,521,697.53
  4. Step 4: Simplify right side
    13,310,571.43x = 170,213,432,843,459.69
  5. Step 5: Solve for x
    x = 170,213,432,843,459.69/13,310,571.43
  6. Step 6: Final answer
    x = 12,787,838.13

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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.