Home / 18,138,674.16-25,029,518.04-11,168,244.72

Finding the Fourth Proportional to 18,138,674.16, 25,029,518.04 and 11,168,244.72

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Solution

The fourth proportional to 18,138,674.16, 25,029,518.04 and 11,168,244.72 is: 15,411,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138,674.16 : 25,029,518.04 = 11,168,244.72 : x
  2. Step 2: Convert to fraction form
    18,138,674.16/25,029,518.04 = 11,168,244.72/x
  3. Step 3: Cross multiply
    18,138,674.16x = 25,029,518.04 × 11,168,244.72
  4. Step 4: Simplify right side
    18,138,674.16x = 279,535,782,694,374.75
  5. Step 5: Solve for x
    x = 279,535,782,694,374.75/18,138,674.16
  6. Step 6: Final answer
    x = 15,411,037.23

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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.