Home / 16,684,421.40-25,026,632.10-12,114,028.80

Finding the Fourth Proportional to 16,684,421.40, 25,026,632.10 and 12,114,028.80

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Solution

The fourth proportional to 16,684,421.40, 25,026,632.10 and 12,114,028.80 is: 18,171,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684,421.40 : 25,026,632.10 = 12,114,028.80 : x
  2. Step 2: Convert to fraction form
    16,684,421.40/25,026,632.10 = 12,114,028.80/x
  3. Step 3: Cross multiply
    16,684,421.40x = 25,026,632.10 × 12,114,028.80
  4. Step 4: Simplify right side
    16,684,421.40x = 303,173,342,026,404.50
  5. Step 5: Solve for x
    x = 303,173,342,026,404.50/16,684,421.40
  6. Step 6: Final answer
    x = 18,171,043.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.