Home / 9,519,120-13,136,385.60-5,226,768

Finding the Fourth Proportional to 9,519,120, 13,136,385.60 and 5,226,768

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Solution

The fourth proportional to 9,519,120, 13,136,385.60 and 5,226,768 is: 7,212,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519,120 : 13,136,385.60 = 5,226,768 : x
  2. Step 2: Convert to fraction form
    9,519,120/13,136,385.60 = 5,226,768/x
  3. Step 3: Cross multiply
    9,519,120x = 13,136,385.60 × 5,226,768
  4. Step 4: Simplify right side
    9,519,120x = 68,660,839,889,740.80
  5. Step 5: Solve for x
    x = 68,660,839,889,740.80/9,519,120
  6. Step 6: Final answer
    x = 7,212,939.84

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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.