Home / 18,462,285-25,477,890.66-10,202,116.68

Finding the Fourth Proportional to 18,462,285, 25,477,890.66 and 10,202,116.68

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Solution

The fourth proportional to 18,462,285, 25,477,890.66 and 10,202,116.68 is: 14,078,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462,285 : 25,477,890.66 = 10,202,116.68 : x
  2. Step 2: Convert to fraction form
    18,462,285/25,477,890.66 = 10,202,116.68/x
  3. Step 3: Cross multiply
    18,462,285x = 25,477,890.66 × 10,202,116.68
  4. Step 4: Simplify right side
    18,462,285x = 259,928,413,273,602.19
  5. Step 5: Solve for x
    x = 259,928,413,273,602.19/18,462,285
  6. Step 6: Final answer
    x = 14,078,886.40

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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.