Home / 19,956,740.80-29,935,111.20-18,043,553.20

Finding the Fourth Proportional to 19,956,740.80, 29,935,111.20 and 18,043,553.20

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Solution

The fourth proportional to 19,956,740.80, 29,935,111.20 and 18,043,553.20 is: 27,065,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,740.80 : 29,935,111.20 = 18,043,553.20 : x
  2. Step 2: Convert to fraction form
    19,956,740.80/29,935,111.20 = 18,043,553.20/x
  3. Step 3: Cross multiply
    19,956,740.80x = 29,935,111.20 × 18,043,553.20
  4. Step 4: Simplify right side
    19,956,740.80x = 540,135,771,485,115.81
  5. Step 5: Solve for x
    x = 540,135,771,485,115.81/19,956,740.80
  6. Step 6: Final answer
    x = 27,065,329.80

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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.