Home / 21,496,705.63-29,665,247.24-11,707,313.29

Finding the Fourth Proportional to 21,496,705.63, 29,665,247.24 and 11,707,313.29

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Solution

The fourth proportional to 21,496,705.63, 29,665,247.24 and 11,707,313.29 is: 16,155,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,705.63 : 29,665,247.24 = 11,707,313.29 : x
  2. Step 2: Convert to fraction form
    21,496,705.63/29,665,247.24 = 11,707,313.29/x
  3. Step 3: Cross multiply
    21,496,705.63x = 29,665,247.24 × 11,707,313.29
  4. Step 4: Simplify right side
    21,496,705.63x = 347,300,343,219,093
  5. Step 5: Solve for x
    x = 347,300,343,219,093/21,496,705.63
  6. Step 6: Final answer
    x = 16,155,979.86

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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.