Home / 13,369,282.68-18,449,834.22-7,257,711

Finding the Fourth Proportional to 13,369,282.68, 18,449,834.22 and 7,257,711

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Solution

The fourth proportional to 13,369,282.68, 18,449,834.22 and 7,257,711 is: 10,015,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,282.68 : 18,449,834.22 = 7,257,711 : x
  2. Step 2: Convert to fraction form
    13,369,282.68/18,449,834.22 = 7,257,711/x
  3. Step 3: Cross multiply
    13,369,282.68x = 18,449,834.22 × 7,257,711
  4. Step 4: Simplify right side
    13,369,282.68x = 133,903,564,766,670.41
  5. Step 5: Solve for x
    x = 133,903,564,766,670.41/13,369,282.68
  6. Step 6: Final answer
    x = 10,015,762.85

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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.