Home / 18,140,285.80-25,032,649.62-11,264,621.32

Finding the Fourth Proportional to 18,140,285.80, 25,032,649.62 and 11,264,621.32

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Solution

The fourth proportional to 18,140,285.80, 25,032,649.62 and 11,264,621.32 is: 15,544,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,285.80 : 25,032,649.62 = 11,264,621.32 : x
  2. Step 2: Convert to fraction form
    18,140,285.80/25,032,649.62 = 11,264,621.32/x
  3. Step 3: Cross multiply
    18,140,285.80x = 25,032,649.62 × 11,264,621.32
  4. Step 4: Simplify right side
    18,140,285.80x = 281,983,318,605,541.94
  5. Step 5: Solve for x
    x = 281,983,318,605,541.94/18,140,285.80
  6. Step 6: Final answer
    x = 15,544,590.74

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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.