Home / 39,172,520.80-58,806,020.40-21,914,466.40

Finding the Fourth Proportional to 39,172,520.80, 58,806,020.40 and 21,914,466.40

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Solution

The fourth proportional to 39,172,520.80, 58,806,020.40 and 21,914,466.40 is: 32,898,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172,520.80 : 58,806,020.40 = 21,914,466.40 : x
  2. Step 2: Convert to fraction form
    39,172,520.80/58,806,020.40 = 21,914,466.40/x
  3. Step 3: Cross multiply
    39,172,520.80x = 58,806,020.40 × 21,914,466.40
  4. Step 4: Simplify right side
    39,172,520.80x = 1,288,702,558,173,514.50
  5. Step 5: Solve for x
    x = 1,288,702,558,173,514.50/39,172,520.80
  6. Step 6: Final answer
    x = 32,898,126.85

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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.