Home / 8,789,551.20-13,184,326.80-5,388,328.80

Finding the Fourth Proportional to 8,789,551.20, 13,184,326.80 and 5,388,328.80

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Solution

The fourth proportional to 8,789,551.20, 13,184,326.80 and 5,388,328.80 is: 8,082,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,551.20 : 13,184,326.80 = 5,388,328.80 : x
  2. Step 2: Convert to fraction form
    8,789,551.20/13,184,326.80 = 5,388,328.80/x
  3. Step 3: Cross multiply
    8,789,551.20x = 13,184,326.80 × 5,388,328.80
  4. Step 4: Simplify right side
    8,789,551.20x = 71,041,487,805,051.84
  5. Step 5: Solve for x
    x = 71,041,487,805,051.84/8,789,551.20
  6. Step 6: Final answer
    x = 8,082,493.20

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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.