Home / 10,347,632.16-14,279,745.96-5,638,005.42

Finding the Fourth Proportional to 10,347,632.16, 14,279,745.96 and 5,638,005.42

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Solution

The fourth proportional to 10,347,632.16, 14,279,745.96 and 5,638,005.42 is: 7,780,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,632.16 : 14,279,745.96 = 5,638,005.42 : x
  2. Step 2: Convert to fraction form
    10,347,632.16/14,279,745.96 = 5,638,005.42/x
  3. Step 3: Cross multiply
    10,347,632.16x = 14,279,745.96 × 5,638,005.42
  4. Step 4: Simplify right side
    10,347,632.16x = 80,509,285,118,703.11
  5. Step 5: Solve for x
    x = 80,509,285,118,703.11/10,347,632.16
  6. Step 6: Final answer
    x = 7,780,454.88

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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.