Home / 18,155,620.40-25,054,594.16-9,895,682.25

Finding the Fourth Proportional to 18,155,620.40, 25,054,594.16 and 9,895,682.25

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Solution

The fourth proportional to 18,155,620.40, 25,054,594.16 and 9,895,682.25 is: 13,655,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,620.40 : 25,054,594.16 = 9,895,682.25 : x
  2. Step 2: Convert to fraction form
    18,155,620.40/25,054,594.16 = 9,895,682.25/x
  3. Step 3: Cross multiply
    18,155,620.40x = 25,054,594.16 × 9,895,682.25
  4. Step 4: Simplify right side
    18,155,620.40x = 247,932,302,660,587.25
  5. Step 5: Solve for x
    x = 247,932,302,660,587.25/18,155,620.40
  6. Step 6: Final answer
    x = 13,655,953.21

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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.