Home / 39,366,033.12-54,325,159.76-21,962,381.92

Finding the Fourth Proportional to 39,366,033.12, 54,325,159.76 and 21,962,381.92

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Solution

The fourth proportional to 39,366,033.12, 54,325,159.76 and 21,962,381.92 is: 30,308,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,033.12 : 54,325,159.76 = 21,962,381.92 : x
  2. Step 2: Convert to fraction form
    39,366,033.12/54,325,159.76 = 21,962,381.92/x
  3. Step 3: Cross multiply
    39,366,033.12x = 54,325,159.76 × 21,962,381.92
  4. Step 4: Simplify right side
    39,366,033.12x = 1,193,109,906,514,135.50
  5. Step 5: Solve for x
    x = 1,193,109,906,514,135.50/39,366,033.12
  6. Step 6: Final answer
    x = 30,308,106.05

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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.