Home / 18,588,539.70-27,893,722.68-7,805,011.32

Finding the Fourth Proportional to 18,588,539.70, 27,893,722.68 and 7,805,011.32

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Solution

The fourth proportional to 18,588,539.70, 27,893,722.68 and 7,805,011.32 is: 11,712,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,539.70 : 27,893,722.68 = 7,805,011.32 : x
  2. Step 2: Convert to fraction form
    18,588,539.70/27,893,722.68 = 7,805,011.32/x
  3. Step 3: Cross multiply
    18,588,539.70x = 27,893,722.68 × 7,805,011.32
  4. Step 4: Simplify right side
    18,588,539.70x = 217,710,821,274,340.75
  5. Step 5: Solve for x
    x = 217,710,821,274,340.75/18,588,539.70
  6. Step 6: Final answer
    x = 11,712,099.22

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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.