Home / 21,352,016.08-32,021,400.04-7,703,388.16

Finding the Fourth Proportional to 21,352,016.08, 32,021,400.04 and 7,703,388.16

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Solution

The fourth proportional to 21,352,016.08, 32,021,400.04 and 7,703,388.16 is: 11,552,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,016.08 : 32,021,400.04 = 7,703,388.16 : x
  2. Step 2: Convert to fraction form
    21,352,016.08/32,021,400.04 = 7,703,388.16/x
  3. Step 3: Cross multiply
    21,352,016.08x = 32,021,400.04 × 7,703,388.16
  4. Step 4: Simplify right side
    21,352,016.08x = 246,673,273,934,759.53
  5. Step 5: Solve for x
    x = 246,673,273,934,759.53/21,352,016.08
  6. Step 6: Final answer
    x = 11,552,692.40

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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.