Home / 10,378,855.52-15,569,769.05-3,190,992.94

Finding the Fourth Proportional to 10,378,855.52, 15,569,769.05 and 3,190,992.94

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Solution

The fourth proportional to 10,378,855.52, 15,569,769.05 and 3,190,992.94 is: 4,786,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,855.52 : 15,569,769.05 = 3,190,992.94 : x
  2. Step 2: Convert to fraction form
    10,378,855.52/15,569,769.05 = 3,190,992.94/x
  3. Step 3: Cross multiply
    10,378,855.52x = 15,569,769.05 × 3,190,992.94
  4. Step 4: Simplify right side
    10,378,855.52x = 49,683,023,115,980.51
  5. Step 5: Solve for x
    x = 49,683,023,115,980.51/10,378,855.52
  6. Step 6: Final answer
    x = 4,786,946.21

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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.