Home / 13,783,120.45-19,020,358.58-7,588,105.31

Finding the Fourth Proportional to 13,783,120.45, 19,020,358.58 and 7,588,105.31

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Solution

The fourth proportional to 13,783,120.45, 19,020,358.58 and 7,588,105.31 is: 10,471,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,120.45 : 19,020,358.58 = 7,588,105.31 : x
  2. Step 2: Convert to fraction form
    13,783,120.45/19,020,358.58 = 7,588,105.31/x
  3. Step 3: Cross multiply
    13,783,120.45x = 19,020,358.58 × 7,588,105.31
  4. Step 4: Simplify right side
    13,783,120.45x = 144,328,483,948,612.44
  5. Step 5: Solve for x
    x = 144,328,483,948,612.44/13,783,120.45
  6. Step 6: Final answer
    x = 10,471,393.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.