Home / 19,678,362.30-29,529,985.05-11,591,322.30

Finding the Fourth Proportional to 19,678,362.30, 29,529,985.05 and 11,591,322.30

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Solution

The fourth proportional to 19,678,362.30, 29,529,985.05 and 11,591,322.30 is: 17,394,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678,362.30 : 29,529,985.05 = 11,591,322.30 : x
  2. Step 2: Convert to fraction form
    19,678,362.30/29,529,985.05 = 11,591,322.30/x
  3. Step 3: Cross multiply
    19,678,362.30x = 29,529,985.05 × 11,591,322.30
  4. Step 4: Simplify right side
    19,678,362.30x = 342,291,574,228,731.62
  5. Step 5: Solve for x
    x = 342,291,574,228,731.62/19,678,362.30
  6. Step 6: Final answer
    x = 17,394,312.04

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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.