Home / 14,939,416.95-20,617,274.12-9,139,310.48

Finding the Fourth Proportional to 14,939,416.95, 20,617,274.12 and 9,139,310.48

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Solution

The fourth proportional to 14,939,416.95, 20,617,274.12 and 9,139,310.48 is: 12,612,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,416.95 : 20,617,274.12 = 9,139,310.48 : x
  2. Step 2: Convert to fraction form
    14,939,416.95/20,617,274.12 = 9,139,310.48/x
  3. Step 3: Cross multiply
    14,939,416.95x = 20,617,274.12 × 9,139,310.48
  4. Step 4: Simplify right side
    14,939,416.95x = 188,427,669,285,165.84
  5. Step 5: Solve for x
    x = 188,427,669,285,165.84/14,939,416.95
  6. Step 6: Final answer
    x = 12,612,786.02

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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.