Home / 14,339,289.40-21,508,934.10-12,771,647.80

Finding the Fourth Proportional to 14,339,289.40, 21,508,934.10 and 12,771,647.80

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Solution

The fourth proportional to 14,339,289.40, 21,508,934.10 and 12,771,647.80 is: 19,157,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,289.40 : 21,508,934.10 = 12,771,647.80 : x
  2. Step 2: Convert to fraction form
    14,339,289.40/21,508,934.10 = 12,771,647.80/x
  3. Step 3: Cross multiply
    14,339,289.40x = 21,508,934.10 × 12,771,647.80
  4. Step 4: Simplify right side
    14,339,289.40x = 274,704,530,878,610
  5. Step 5: Solve for x
    x = 274,704,530,878,610/14,339,289.40
  6. Step 6: Final answer
    x = 19,157,471.70

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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.