Home / 14,339,290.40-21,508,935.60-12,771,648.80

Finding the Fourth Proportional to 14,339,290.40, 21,508,935.60 and 12,771,648.80

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Solution

The fourth proportional to 14,339,290.40, 21,508,935.60 and 12,771,648.80 is: 19,157,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,290.40 : 21,508,935.60 = 12,771,648.80 : x
  2. Step 2: Convert to fraction form
    14,339,290.40/21,508,935.60 = 12,771,648.80/x
  3. Step 3: Cross multiply
    14,339,290.40x = 21,508,935.60 × 12,771,648.80
  4. Step 4: Simplify right side
    14,339,290.40x = 274,704,571,545,017.31
  5. Step 5: Solve for x
    x = 274,704,571,545,017.31/14,339,290.40
  6. Step 6: Final answer
    x = 19,157,473.20

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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.