Home / 14,939,468.37-20,617,345.17-9,139,361.85

Finding the Fourth Proportional to 14,939,468.37, 20,617,345.17 and 9,139,361.85

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Solution

The fourth proportional to 14,939,468.37, 20,617,345.17 and 9,139,361.85 is: 12,612,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,468.37 : 20,617,345.17 = 9,139,361.85 : x
  2. Step 2: Convert to fraction form
    14,939,468.37/20,617,345.17 = 9,139,361.85/x
  3. Step 3: Cross multiply
    14,939,468.37x = 20,617,345.17 × 9,139,361.85
  4. Step 4: Simplify right side
    14,939,468.37x = 188,429,377,894,979.78
  5. Step 5: Solve for x
    x = 188,429,377,894,979.78/14,939,468.37
  6. Step 6: Final answer
    x = 12,612,856.98

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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.