Home / 13,529,136.84-18,670,392.20-7,417,552.20

Finding the Fourth Proportional to 13,529,136.84, 18,670,392.20 and 7,417,552.20

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Solution

The fourth proportional to 13,529,136.84, 18,670,392.20 and 7,417,552.20 is: 10,236,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,136.84 : 18,670,392.20 = 7,417,552.20 : x
  2. Step 2: Convert to fraction form
    13,529,136.84/18,670,392.20 = 7,417,552.20/x
  3. Step 3: Cross multiply
    13,529,136.84x = 18,670,392.20 × 7,417,552.20
  4. Step 4: Simplify right side
    13,529,136.84x = 138,488,608,737,972.84
  5. Step 5: Solve for x
    x = 138,488,608,737,972.84/13,529,136.84
  6. Step 6: Final answer
    x = 10,236,322.57

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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.