Home / 34,215,153.80-47,216,971.94-18,744,905.48

Finding the Fourth Proportional to 34,215,153.80, 47,216,971.94 and 18,744,905.48

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Solution

The fourth proportional to 34,215,153.80, 47,216,971.94 and 18,744,905.48 is: 25,868,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215,153.80 : 47,216,971.94 = 18,744,905.48 : x
  2. Step 2: Convert to fraction form
    34,215,153.80/47,216,971.94 = 18,744,905.48/x
  3. Step 3: Cross multiply
    34,215,153.80x = 47,216,971.94 × 18,744,905.48
  4. Step 4: Simplify right side
    34,215,153.80x = 885,077,676,067,112.25
  5. Step 5: Solve for x
    x = 885,077,676,067,112.25/34,215,153.80
  6. Step 6: Final answer
    x = 25,868,002.27

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1.5x scale

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.