Home / 15,188,465.18-20,953,402.59-8,905,785.65

Finding the Fourth Proportional to 15,188,465.18, 20,953,402.59 and 8,905,785.65

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Solution

The fourth proportional to 15,188,465.18, 20,953,402.59 and 8,905,785.65 is: 12,286,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,465.18 : 20,953,402.59 = 8,905,785.65 : x
  2. Step 2: Convert to fraction form
    15,188,465.18/20,953,402.59 = 8,905,785.65/x
  3. Step 3: Cross multiply
    15,188,465.18x = 20,953,402.59 × 8,905,785.65
  4. Step 4: Simplify right side
    15,188,465.18x = 186,606,512,033,324.50
  5. Step 5: Solve for x
    x = 186,606,512,033,324.50/15,188,465.18
  6. Step 6: Final answer
    x = 12,286,067.74

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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.