Home / 21,152,096.87-29,198,822.49-14,285,879.15

Finding the Fourth Proportional to 21,152,096.87, 29,198,822.49 and 14,285,879.15

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Solution

The fourth proportional to 21,152,096.87, 29,198,822.49 and 14,285,879.15 is: 19,720,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,096.87 : 29,198,822.49 = 14,285,879.15 : x
  2. Step 2: Convert to fraction form
    21,152,096.87/29,198,822.49 = 14,285,879.15/x
  3. Step 3: Cross multiply
    21,152,096.87x = 29,198,822.49 × 14,285,879.15
  4. Step 4: Simplify right side
    21,152,096.87x = 417,130,849,268,447.94
  5. Step 5: Solve for x
    x = 417,130,849,268,447.94/21,152,096.87
  6. Step 6: Final answer
    x = 19,720,543.64

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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.