Home / 38,385,855.96-52,971,018.30-20,982,053.40

Finding the Fourth Proportional to 38,385,855.96, 52,971,018.30 and 20,982,053.40

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Solution

The fourth proportional to 38,385,855.96, 52,971,018.30 and 20,982,053.40 is: 28,954,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,855.96 : 52,971,018.30 = 20,982,053.40 : x
  2. Step 2: Convert to fraction form
    38,385,855.96/52,971,018.30 = 20,982,053.40/x
  3. Step 3: Cross multiply
    38,385,855.96x = 52,971,018.30 × 20,982,053.40
  4. Step 4: Simplify right side
    38,385,855.96x = 1,111,440,734,622,977.12
  5. Step 5: Solve for x
    x = 1,111,440,734,622,977.12/38,385,855.96
  6. Step 6: Final answer
    x = 28,954,434.04

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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.