Home / 18,722,721.30-25,837,390.52-10,462,783.64

Finding the Fourth Proportional to 18,722,721.30, 25,837,390.52 and 10,462,783.64

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Solution

The fourth proportional to 18,722,721.30, 25,837,390.52 and 10,462,783.64 is: 14,438,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,721.30 : 25,837,390.52 = 10,462,783.64 : x
  2. Step 2: Convert to fraction form
    18,722,721.30/25,837,390.52 = 10,462,783.64/x
  3. Step 3: Cross multiply
    18,722,721.30x = 25,837,390.52 × 10,462,783.64
  4. Step 4: Simplify right side
    18,722,721.30x = 270,331,026,651,446.22
  5. Step 5: Solve for x
    x = 270,331,026,651,446.22/18,722,721.30
  6. Step 6: Final answer
    x = 14,438,661.04

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1.5x scale

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.