Home / 11,487,853.52-15,855,939.44-7,140,223.36

Finding the Fourth Proportional to 11,487,853.52, 15,855,939.44 and 7,140,223.36

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Solution

The fourth proportional to 11,487,853.52, 15,855,939.44 and 7,140,223.36 is: 9,855,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,853.52 : 15,855,939.44 = 7,140,223.36 : x
  2. Step 2: Convert to fraction form
    11,487,853.52/15,855,939.44 = 7,140,223.36/x
  3. Step 3: Cross multiply
    11,487,853.52x = 15,855,939.44 × 7,140,223.36
  4. Step 4: Simplify right side
    11,487,853.52x = 113,214,949,184,233.31
  5. Step 5: Solve for x
    x = 113,214,949,184,233.31/11,487,853.52
  6. Step 6: Final answer
    x = 9,855,187.39

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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.