Home / 20,804,004.70-31,206,007.05-19,544,292.70

Finding the Fourth Proportional to 20,804,004.70, 31,206,007.05 and 19,544,292.70

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Solution

The fourth proportional to 20,804,004.70, 31,206,007.05 and 19,544,292.70 is: 29,316,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,004.70 : 31,206,007.05 = 19,544,292.70 : x
  2. Step 2: Convert to fraction form
    20,804,004.70/31,206,007.05 = 19,544,292.70/x
  3. Step 3: Cross multiply
    20,804,004.70x = 31,206,007.05 × 19,544,292.70
  4. Step 4: Simplify right side
    20,804,004.70x = 609,899,335,783,463.50
  5. Step 5: Solve for x
    x = 609,899,335,783,463.50/20,804,004.70
  6. Step 6: Final answer
    x = 29,316,439.05

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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.